SUSE update for xterm

1) Memory corruption

EUVDB-ID: #VU50810

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27135

CWE-ID: CWE-119 - Memory corruption

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 UTF-8 character sequences. A remote attacker can pass specially crafted data to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package xterm to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Point of Sale: 11-SP3

SUSE Linux Enterprise Debuginfo: 11-SP3 - 11-SP4

SUSE Linux Enterprise Server: 11-SP4-LTSS

xterm-debugsource: before 238-3.3.1

xterm-debuginfo: before 238-3.3.1

xterm: before 238-3.3.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_point_of_sale:11-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_debuginfo:11-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_debuginfo:11-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:11-SP4-LTSS:*:*:*:*:*:*:*
• cpe:2.3:a:suse:xterm-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xterm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xterm:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-202114747-1/

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.