Ubuntu update for binutils



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-47695
CVE-2022-48063
CVE-2022-48065
CWE-ID CWE-20
CWE-400
CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

binutils-multiarch (Ubuntu package)
Operating systems & Components / Operating system package or component

binutils (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU86947

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-47695

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the bfd_mach_o_get_synthetic_symtab() function in match-o.c in objdump. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package binutils to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

binutils-multiarch (Ubuntu package): before 2.34-6ubuntu1.9

binutils (Ubuntu package): before 2.34-6ubuntu1.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6655-1


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) Resource exhaustion

EUVDB-ID: #VU83863

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48063

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources within the load_separate_debug_files() function in dwarf2.c. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected package binutils to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

binutils-multiarch (Ubuntu package): before 2.34-6ubuntu1.9

binutils (Ubuntu package): before 2.34-6ubuntu1.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6655-1


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.

3) Memory leak

EUVDB-ID: #VU86946

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48065

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the find_abstract_instance() function in dwarf2.c. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Update the affected package binutils to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.04

binutils-multiarch (Ubuntu package): before 2.34-6ubuntu1.9

binutils (Ubuntu package): before 2.34-6ubuntu1.9

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6655-1


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.



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