SUSE update for w3m

1) Out-of-bounds write

EUVDB-ID: #VU84908

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-4255

CWE-ID: CWE-787 - Out-of-bounds write

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 when processing untrusted input within the checkType() function in etc.c. A remote attacker can create a specially crafted HTML file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package w3m to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

w3m-debugsource: before 0.5.3.git20161120-161.9.1

w3m: before 0.5.3.git20161120-161.9.1

w3m-debuginfo: before 0.5.3.git20161120-161.9.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:w3m-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:w3m:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:w3m-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20240014-1/

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.