Joined: 12 May 2004
|Posted: Tue Jul 11, 2017 7:26 pm Post subject: [ GLSA 201706-22 ] libksba
|Gentoo Linux Security Advisory
Title: libksba: Denial of Service and information disclosure (GLSA 201706-22)
Multiple vulnerabilities have been found in libksba which might
allow remote attackers to obtain sensitive information or crash an
Libksba is a X.509 and CMS (PKCS#7) library.
Vulnerable: < 1.3.5
Unaffected: >= 1.3.5
Architectures: All supported architectures
It was found that an unproportionate amount of memory is allocated when
parsing crafted certificates in libskba, which may lead to Denial of
Moreover in libksba 1.3.4, allocated memory is uninitialized and could
potentially contain sensitive data left in freed memory block.
A remote attacker, able to interact with an libksba-based application,
could possibly obtain sensitive information or cause a Denial of Service
There is no known workaround at this time.
All libksba users should upgrade to the latest version:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libksba-1.3.5"