Gentoo update for Binutils

1) Buffer overflow

EUVDB-ID: #VU39447

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-6965

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

readelf in GNU Binutils 2.28 writes to illegal addresses while processing corrupt input files containing symbol-difference relocations, leading to a heap-based buffer overflow.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU39448

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-6966

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

readelf in GNU Binutils 2.28 has a use-after-free (specifically read-after-free) error while processing multiple, relocated sections in an MSP430 binary. This is caused by mishandling of an invalid symbol index, and mishandling of state across invocations.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Out-of-bounds read

EUVDB-ID: #VU39450

Risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-6969

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.

readelf in GNU Binutils 2.28 is vulnerable to a heap-based buffer over-read while processing corrupt RL78 binaries. The vulnerability can trigger program crashes. It may lead to an information leak as well.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) NULL pointer dereference

EUVDB-ID: #VU32127

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-7614

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a "member access within null pointer" undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via an "int main() {return 0;}" program.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) NULL pointer dereference

EUVDB-ID: #VU39084

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8392

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read of size 8 because of missing a check to determine whether symbols are NULL in the _bfd_dwarf2_find_nearest_line function. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objdump, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds read

EUVDB-ID: #VU39085

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8393

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to a global buffer over-read error because of an assumption made by code that runs for objcopy and strip, that SHT_REL/SHR_RELA sections are always named starting with a .rel/.rela prefix. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objcopy and strip, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) NULL pointer dereference

EUVDB-ID: #VU39086

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8394

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read of size 4 due to NULL pointer dereferencing of _bfd_elf_large_com_section. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objcopy, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) NULL pointer dereference

EUVDB-ID: #VU39087

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8395

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid write of size 8 because of missing a malloc() return-value check to see if memory had actually been allocated in the _bfd_generic_get_section_contents function. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objcopy, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Input validation error

EUVDB-ID: #VU39088

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8396

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read of size 1 because the existing reloc offset range tests didn't catch small negative offsets less than the size of the reloc field. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objdump, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Buffer overflow

EUVDB-ID: #VU39089

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8397

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read of size 1 and an invalid write of size 1 during processing of a corrupt binary containing reloc(s) with negative addresses. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objdump, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Buffer overflow

EUVDB-ID: #VU39090

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8398

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

dwarf.c in GNU Binutils 2.28 is vulnerable to an invalid read of size 1 during dumping of debug information from a corrupt binary. This vulnerability causes programs that conduct an analysis of binary programs, such as objdump and readelf, to crash.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Input validation error

EUVDB-ID: #VU39082

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-8421

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The function coff_set_alignment_hook in coffcode.h in Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a memory leak vulnerability which can cause memory exhaustion in objdump via a crafted PE file. Additional validation in dump_relocs_in_section in objdump.c can resolve this.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Out-of-bounds read

EUVDB-ID: #VU32064

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9038

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in GNU Binutils 2.28. A remote attacker can perform a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to the byte_get_little_endian function in elfcomm.c, the get_unwind_section_word function in readelf.c, and ARM unwind information that contains invalid word offsets.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU38980

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9039

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

GNU Binutils 2.28 allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file with many program headers, related to the get_program_headers function in readelf.c.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) NULL pointer dereference

EUVDB-ID: #VU38981

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9040

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted ELF file that triggers a large memory-allocation attempt.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Out-of-bounds read

EUVDB-ID: #VU38982

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9041

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in GNU Binutils 2.28. A remote attacker can perform a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to MIPS GOT mishandling in the process_mips_specific function in readelf.c.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Type conversion

EUVDB-ID: #VU38977

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-9042

CWE-ID: CWE-704 - Type conversion

Exploit availability: No

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

readelf.c in GNU Binutils 2017-04-12 has a "cannot be represented in type long" issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted ELF file.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Buffer overflow

EUVDB-ID: #VU38834

Risk: High

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2017-9742

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The score_opcodes function in opcodes/score7-dis.c in GNU Binutils 2.28 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by mishandling of this file during "objdump -D" execution.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

19) Stack-based buffer overflow

EUVDB-ID: #VU38808

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-9954

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the getvalue function in tekhex.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed when processing a crafted tekhex file, as demonstrated by mishandling within the nm program. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Update the affected packages.
sys-devel/binutils to version: 2.28.1

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/201709-02

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.