Denial of service in GNU Binutils



| Updated: 2022-03-23
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12972
CWE-ID CWE-125
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU18958

Risk: Low

CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-12972

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

Exploit availability: No

Description

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

The vulnerability exists due to heap-based buffer over-read condition within the "_bfd_doprnt" function in the "bfd.c" file in the Binary File Descriptor (BFD) library. A local attacker can pass a malformed ELF binary to the affected application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Binutils: 2.32

CPE2.3 External links

https://sourceware.org/bugzilla/show_bug.cgi?id=24689
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=890f750a3b053532a4b839a2dd6243076de12031


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. However, proof of concept for this vulnerability is available.



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