openEuler update for gdb

1) Stack-based buffer overflow

EUVDB-ID: #VU85875

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 - Stack-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 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 repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS SP2

gdb-help: before 9.2-5

gdb-gdbserver: before 9.2-5

gdb-debugsource: before 9.2-5

gdb-headless: before 9.2-5

gdb-debuginfo: before 9.2-5

gdb: before 9.2-5

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP2:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP1:*:*:*:*:*:
• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1624

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.