Multiple vulnerabilities in GNU Binutils



| Updated: 2022-02-10
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-17359
CVE-2018-17360
CWE-ID CWE-119
CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU36619

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-2018-17359

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. An invalid memory access exists in bfd_zalloc in opncls.c. Attackers could leverage this vulnerability to cause a denial of service (application crash) via a crafted ELF file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.31.1

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23686
https://usn.ubuntu.com/4336-1/


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) Input validation error

EUVDB-ID: #VU36620

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-2018-17360

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted PE file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.31.1

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
https://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23685
https://usn.ubuntu.com/4336-1/


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.



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