CWE
20
Advisory Published
CVE Published
Updated

CVE-2009-2624: Input Validation

First published: Thu Jul 30 2009(Updated: )

A missing input sanitation flaw was found in the way gzip used to decompress data blocks for dynamic Huffman codes. A remote attacker could provide a specially-crafted gzip compressed data archive, which once opened by a local, unsuspecting user would lead to denial of service (gzip crash) or, potentially, to arbitrary code execution with the privileges of the user running gzip. Upstream patch: --------------- <a href="http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=39a362ae9d9b007473381dba5032f4dfc1744cf2">http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=39a362ae9d9b007473381dba5032f4dfc1744cf2</a> CVE Note: --------- This flaw reportedly exists due to re-introduction of <a href="https://access.redhat.com/security/cve/CVE-2006-4334">CVE-2006-4334</a> issue: <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4334">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4334</a> in upstream gzip version (originally fixed in gzip-v1.3.6, reintroduced later in gzip-v1.3.10 and fixed again with above commit -- in gzip-v.1.3.13). Credit: ------- Oulu University Secure Programming Group (OUSPG)

Credit: cret@cert.org

Affected SoftwareAffected VersionHow to fix
GNU gzip=1.3.1
GNU gzip=1.3.8
GNU gzip<=1.3.12
GNU gzip=1.3
GNU gzip=1.3.3
GNU gzip=1.3.11
GNU gzip=1.3.6
GNU gzip=1.3.2
GNU gzip=1.2.4
GNU gzip=1.3.10
GNU gzip=1.3.5
GNU gzip=1.3.7
GNU gzip=1.2.4a
GNU gzip=1.3.9
GNU gzip=1.3.4

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