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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200502-13] Perl: Vulnerabilities in perl-suid wrapper


Vulnerability Assessment Details

[GLSA-200502-13] Perl: Vulnerabilities in perl-suid wrapper

Vulnerability Assessment Summary
Perl: Vulnerabilities in perl-suid wrapper

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200502-13
(Perl: Vulnerabilities in perl-suid wrapper)


perl-suid scripts honor the PERLIO_DEBUG environment variable and
write to that file with elevated rights (CVE-2005-0155).
Furthermore, calling a perl-suid script with a very long path while
PERLIO_DEBUG is set could trigger a buffer overflow (CVE-2005-0156).

Impact

A local attacker could set the PERLIO_DEBUG environment variable
and call existing perl-suid scripts, resulting in file overwriting and
potentially the execution of arbitrary code with root rights.

Workaround

You are not vulnerable if you do not have the perlsuid USE flag
set or do not use perl-suid scripts.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0155
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0156


Solution:
All Perl users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose dev-lang/perl


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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