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Debian Security Advisory DSA 3538-1 (libebml - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several vulnerabilities were discovered in libebml, a library for manipulating Extensible Binary Meta Language files. CVE-2015-8789 Context-dependent attackers could trigger a use-after-free vulnerability by providing a maliciously crafted EBML document. CVE-2015-8790 Context-dependent attackers could obtain sensitive information from the process's heap memory by using a maliciously crafted UTF-8 string. CVE-2015-8791 Context-dependent attackers could obtain sensitive information from the process's heap memory by using a maliciously crafted length value in an EBML id.
Affected Software
Affected Software
libebml on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (wheezy), these problems have been fixed in version 1.2.2-2+deb7u1. For the stable distribution (jessie), these problems have been fixed in version 1.3.0-2+deb8u1. For the testing (stretch) and unstable (sid) distributions, these problems have been fixed in version 1.3.3-1. We recommend that you upgrade your libebml packages.