openEuler 20.03 LTS SP1 update for yasm



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-31975
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openEuler
Operating systems & Components / Operating system

yasm-help
Operating systems & Components / Operating system package or component

yasm-debuginfo
Operating systems & Components / Operating system package or component

yasm-debugsource
Operating systems & Components / Operating system package or component

yasm-devel
Operating systems & Components / Operating system package or component

yasm
Operating systems & Components / Operating system package or component

Vendor openEuler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Memory leak

EUVDB-ID: #VU86048

Risk: Medium

CVSSv4.0: [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:Green]

CVE-ID: CVE-2023-31975

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the yasm_intnum_copy() function in /libyasm/intnum.c. A remote attacker can trick the victim to open a specially crafted file and perform denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1

yasm-help: before 1.3.0-11

yasm-debuginfo: before 1.3.0-11

yasm-debugsource: before 1.3.0-11

yasm-devel: before 1.3.0-11

yasm: before 1.3.0-11

CPE2.3 External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1543


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.



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