#VU85875 Stack-based buffer overflow in The GNU Project Debugger (GDB) - CVE-2023-39128

Vulnerability identifier: #VU85875

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-39128

CWE-ID: CWE-121

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 boundary error within the ada_decode() function in /gdb/ada-lang.c. A remote attacker can trick the victim to run the debugger on a specially crafted file, trigger a stack-based buffer overflow 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=30639

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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.