SUSE update for jetty-minimal



Published: 2021-08-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-34429
CWE-ID CWE-284
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		SUSE Linux Enterprise Module for Development Tools
Operating systems & Components / Operating system

jetty-util-ajax
Operating systems & Components / Operating system package or component

jetty-util
Operating systems & Components / Operating system package or component

jetty-servlet
Operating systems & Components / Operating system package or component

jetty-server
Operating systems & Components / Operating system package or component

jetty-security
Operating systems & Components / Operating system package or component

jetty-io
Operating systems & Components / Operating system package or component

jetty-http
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU56964

Risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2021-34429

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper input validation when processing certain characters in URI. A remote attacker can send a specially crafted HTTP request with encoded characters in URI, bypass implemented security restrictions and access content of the WEB-INF directory.

Mitigation

Update the affected package jetty-minimal to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Development Tools: 15-SP2 - 15-SP3

jetty-util-ajax: before 9.4.43-3.12.2

jetty-util: before 9.4.43-3.12.2

jetty-servlet: before 9.4.43-3.12.2

jetty-server: before 9.4.43-3.12.2

jetty-security: before 9.4.43-3.12.2

jetty-io: before 9.4.43-3.12.2

jetty-http: before 9.4.43-3.12.2

CPE2.3 External links

http://www.suse.com/support/update/announcement/2021/suse-su-20212838-1/


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. However, a fully functional exploit for this vulnerability is available.



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