Vulnerability identifier: #VU85875

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

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
http://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.