openEuler 22.03 LTS SP2 update for perl

1) Off-by-one

EUVDB-ID: #VU83508

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-47038

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an off-by-one error when processing regular expressions. A remote attacker can trigger an off-by-one error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP2

perl-help: before 5.34.0-11

perl-libs: before 5.34.0-11

perl-devel: before 5.34.0-11

perl-debuginfo: before 5.34.0-11

perl-debugsource: before 5.34.0-11

perl: before 5.34.0-11

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP2:*:*:*:*:*:*
• cpe:2.3:a:openeuler:perl-help:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl-libs:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:perl:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1864

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.