openEuler 22.03 LTS SP2 update for gdb

1) Heap-based buffer overflow

EUVDB-ID: #VU85876

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-2023-39130

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

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 pe_as16() function in /gdb/coff-pe-read.c. A remote attacker can trick the victim to run the debugger on a specially crafted file, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP2

gdb-help: before 11.1-8

gdb-gdbserver: before 11.1-8

gdb-debugsource: before 11.1-8

gdb-debuginfo: before 11.1-8

gdb-headless: before 11.1-8

gdb: before 11.1-8

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP2:*:*:*:*:*:*
• cpe:2.3:a:openeuler:gdb-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:gdb-gdbserver:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:gdb-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:gdb-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:gdb-headless:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:gdb:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1872

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.