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[ GLSA 200508-17 ] libpcre: Heap integer overflow
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GLSA
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Joined: 12 May 2004
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PostPosted: Thu Aug 25, 2005 7:06 pm    Post subject: [ GLSA 200508-17 ] libpcre: Heap integer overflow Reply with quote

Gentoo Linux Security Advisory

Title: libpcre: Heap integer overflow (GLSA 200508-17)
Severity: high
Exploitable: remote
Date: August 25, 2005
Bug(s): #103337
ID: 200508-17

Synopsis


libpcre is vulnerable to a heap integer overflow, possibly leading to the
execution of arbitrary code.


Background


libpcre is a library providing functions for Perl-compatible
regular expressions.


Affected Packages

Package: dev-libs/libpcre
Vulnerable: < 6.3
Unaffected: >= 6.3
Architectures: All supported architectures


Description


libpcre fails to check certain quantifier values in regular
expressions for sane values.


Impact


An attacker could possibly exploit this vulnerability to execute
arbitrary code by sending specially crafted regular expressions to
applications making use of the libpcre library.


Workaround


There is no known workaround at this time.


Resolution


All libpcre users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-libs/libpcre-6.3"


References

CAN-2005-2491
SecurityTracker Alert ID 1014744


Last edited by GLSA on Mon Mar 05, 2012 4:20 am; edited 3 times in total
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