#VU85873 Use-after-free in The GNU Project Debugger (GDB) - CVE-2023-39129

Vulnerability identifier: #VU85873

Vulnerability 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-2023-39129

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
The GNU Project Debugger (GDB)
Other software / Other software solutions

Vendor: GNU

Description

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

The vulnerability exists due to a use-after-free error within the add_pe_exported_sym() function in /gdb/coff-pe-read.c. A remote attacker can trick the victim to call the application on a psecially crafted file and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

The GNU Project Debugger (GDB): 13.1

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External links
https://sourceware.org/bugzilla/show_bug.cgi?id=30640

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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.