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Gentoo: GLSA-202210-13 Minor Risk Lighttpd Service Interruption

gentoo
Calendar Grey October 30, 2022
Dist Gentoo Esm H88
Gentoo Security Advisory GLSA 202310-05 highlights a vulnerability in nginx that could lead to a denial of service; updating is advised to alleviate concerns.
A vulnerability has been discovered in lighttpd which could result in denial of service.

Summary

Lighttpd's mod_wstunnel does not initialize a handler function pointer if an invalid HTTP request (websocket handshake) is received.

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity lighttpd

Resolution

All lighttpd users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/lighttpd-1.4.67"

References

[ 1 ] CVE-2022-37797 https://nvd.nist.gov/vuln/detail/CVE-2022-37797 [ 2 ] CVE-2022-41556 https://nvd.nist.gov/vuln/detail/CVE-2022-41556

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202210-12
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
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Severity: Low
Title: Lighttpd: Denial of Service
Date: October 31, 2022
Bugs: #869890
ID: 202210-12

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity lighttpd

Synopsis

A vulnerability has been discovered in lighttpd which could result in denial of service.

Background

Lighttpd is a lightweight high-performance web server.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-servers/lighttpd < 1.4.67 >= 1.4.67

Impact

===== An attacker can trigger a denial of service via making Lighttpd try to call an uninitialized function pointer.

Workaround

There is no known workaround at this time.

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