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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200509-08] Python: Heap overflow in the included PCRE library Vulnerability Assessment Details
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[GLSA-200509-08] Python: Heap overflow in the included PCRE library |
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Python: Heap overflow in the included PCRE library Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200509-08 (Python: Heap overflow in the included PCRE library) The "re" Python module makes use of a private copy of libpcre which is subject to an integer overflow leading to a heap overflow (see GLSA 200508-17). Impact A possible hacker could target a Python-based web application (or SUID application) that would use untrusted data as regular expressions, potentially resulting in the execution of arbitrary code (or privilege escalation). Workaround Python users that don't run any Python web application or SUID application (or that run one that wouldn't use untrusted inputs as regular expressions) are not affected by this issue. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2491 http://www.gentoo.org/security/en/glsa/glsa-200508-17.xml Solution: All Python users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/python-2.3.5-r2" Network Security Threat Level: Medium Networks Security ID: Vulnerability Assessment Copyright: (C) 2005 Michel Arboi |
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