GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Tue Apr 26, 2016 9:26 pm Post subject: [ GLSA 201604-04 ] libksba |
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Gentoo Linux Security Advisory
Title: libksba: Multiple vulnerabilities (GLSA 201604-04)
Severity: normal
Exploitable: remote
Date: April 26, 2016
Bug(s): #546464
ID: 201604-04
Synopsis
Multiple vulnerabilities have been found in libksba, allowing a
possible Denial of Service and unspecified other vectors through integer
overflows.
Background
Libksba is a X.509 and CMS (PKCS#7) library.
Affected Packages
Package: dev-libs/libksba
Vulnerable: < 1.3.3
Unaffected: >= 1.3.3
Architectures: All supported architectures
Description
libksba is vulnerable to two integer overflows and a Denial of Service
vulnerability. Please read the references for additional details.
Impact
Remote attackers could cause Denial of Service or unspecified other
vectors through various integer overflows.
Workaround
There is no known workaround at this time.
Resolution
All libksba users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libksba-1.3.3"
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References
Denial of Service due to stack overflow in src/ber-decoder.c
Integer overflow in the BER decoder src/ber-decoder.c
Integer overflow in the DN decoder src/dn.c
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