SUSE update for tomcat

1) Information disclosure

EUVDB-ID: #VU67714

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-43980

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect implementation of blocking reads and writes. A remote attacker can trigger a concurrency bug and force client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.

Mitigation

Update the affected package tomcat to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP5

tomcat-webapps: before 9.0.36-3.90.1

tomcat-servlet-4_0-api: before 9.0.36-3.90.1

tomcat-lib: before 9.0.36-3.90.1

tomcat-jsp-2_3-api: before 9.0.36-3.90.1

tomcat-javadoc: before 9.0.36-3.90.1

tomcat-el-3_0-api: before 9.0.36-3.90.1

tomcat-docs-webapp: before 9.0.36-3.90.1

tomcat-admin-webapps: before 9.0.36-3.90.1

tomcat: before 9.0.36-3.90.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:tomcat-webapps:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-servlet-4_0-api:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-lib:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-jsp-2_3-api:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-javadoc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-el-3_0-api:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-docs-webapp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat-admin-webapps:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:tomcat:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20224009-1/

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.