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Gentoo: GLSA-201507-12 Critical: LibCapsiNetwork Denial of Service

gentoo
Calendar Grey July 10, 2015
Dist Gentoo Esm H88
Gentoo's GLSA 201507-12 highlights a severe buffer overflow vulnerability in libCapsiNetwork, risking Denial of Service (DoS) attacks from improper input handling. Users must update their libCapsiNetwork installations to secure versions and apply provided patches, following best security practices to prevent disruptions from this critical flaw
A buffer overflow in libcapsinetwork might allow remote attackers to cause a Denial of Service condition.

Summary

An off-by-one buffer overflow in libcapsinetwork network handling code is discovered.

Topics%20covered

Topics Covered

security advisory denial of service gentoo service interruption libcapsinetwork

Resolution

Gentoo discontinued support for libcapsinetwork. We recommend that users unmerge it: # emerge --unmerge 'net-libs/libcapsinetwork'

References

[ 1 ] CVE-2015-0841 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-0841

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201507-12
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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.

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Severity: Normal
Title: libCapsiNetwork: Denial of Service
Date: July 10, 2015
Bugs: #544324
ID: 201507-12

Topics%20covered

Topics Covered

security advisory denial of service gentoo service interruption libcapsinetwork

Synopsis

A buffer overflow in libcapsinetwork might allow remote attackers to cause a Denial of Service condition.

Background

libCapsiNetwork is a C++ network library to allow fast development of server daemon processes.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libcapsinetwork-0.3.0-r2 <= Vulnerable! ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers.

Impact

===== A remote attacker could send a specially crafted request to application, that is linked with libcapsinetwork, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

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