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PostPosted: Sat Aug 15, 2015 1:26 pm    Post subject: [ GLSA 201508-02 ] libgadu Reply with quote

Gentoo Linux Security Advisory

Title: libgadu: Multiple vulnerabilities (GLSA 201508-02)
Severity: normal
Exploitable: remote
Date: August 15, 2015
Bug(s): #490238, #505558, #510714
ID: 201508-02

Synopsis

Multiple vulnerabilities have been found in libgadu, the worst of
which may result in execution of arbitrary code.


Background

libgadu is a library that implements the client side of the Gadu-Gadu
protocol.


Affected Packages

Package: net-libs/libgadu
Vulnerable: < 1.12.0
Unaffected: >= 1.12.0
Architectures: All supported architectures


Description

libgadu contains multiple vulnerabilities:
  • X.509 certificates are not properly validated (CVE-2013-4488)
  • A integer overflow error could lead to a buffer overflow
    (CVE-2013-6487)
  • Malformed responses from a Gadu-Gadu file relay server are not
    properly handled (CVE-2014-3775)


Impact

A remote attacker may be able to execute arbitrary code with the
privileges of the process, cause a Denial of Service condition, or spoof
servers.


Workaround

There is no known workaround at this time.

Resolution

All libgadu users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-libs/libgadu-1.12.0"
   


References

CVE-2013-4488
CVE-2013-6487
CVE-2014-3775
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