openEuler 22.03 LTS update for gdb

1) Use-after-free

EUVDB-ID: #VU85873

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 - Use After Free

Exploit availability: No

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 repository.

Vulnerable software versions

openEuler: 22.03 LTS

gdb-help: before 11.1-6

gdb-gdbserver: before 11.1-6

gdb-debugsource: before 11.1-6

gdb-debuginfo: before 11.1-6

gdb-headless: before 11.1-6

gdb: before 11.1-6

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS:*:*:*:*:*:*
• 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-2023-1826

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.