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Debian Security Advisory DSA 2873-1 (file - several vulnerabilities)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Several vulnerabilities have been found in file, a file type classification tool. Aaron Reffett reported a flaw in the way the file utility determined the type of Portable Executable (PE) format files, the executable format used on Windows. When processing a defective or intentionally prepared PE executable which contains invalid offset information, the file_strncmp routine will access memory that is out of bounds, causing file to crash. The Common Vulnerabilities and Exposures project ID CVE-2014-2270 has been assigned to identify this flaw. Mike Frysinger reported that file's rule for detecting AWK scripts significantly slows down file. The regular expression to detect AWK files contained two star operators, which could be exploited to cause excessive backtracking in the regex engine.
Affected Software
Affected Software
file 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 (squeeze), these problems have been fixed in version 5.04-5+squeeze4. For the stable distribution (wheezy), these problems have been fixed in version 5.11-2+deb7u2. For the testing distribution (jessie), these problems have been fixed in version 1:5.17-1. For the unstable distribution (sid), these problems have been fixed in version 1:5.17-1. We recommend that you upgrade your file packages.