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Fedora 9 FEDORA-2009-6014 Critical: apr-util DoS and Buffer Overflow

fedora
Calendar Grey June 24, 2009
Dist Fedora Esm H88
Security patches applied to Fedora 9's apr-util enhance protection against critical vulnerabilities and improve overall system stability.
Backport security fixes from upstream version 1.3.7: - CVE-2009-0023 Fix underflow in apr_strmatch_precompile

Summary

The mission of the Apache Portable Runtime (APR) is to provide a

free library of C data structures and routines. This library

contains additional utility interfaces for APR; including support

for XML, LDAP, database interfaces, URI parsing and more.

Update Information:

Backport security fixes from upstream version 1.3.7: - CVE-2009-0023 Fix underflow in apr_strmatch_precompile. - CVE-2009-1955 Fix a denial of service attack against the apr_xml_* interface using the "billion laughs" entity expansion technique. - CVE-2009-1956 Fix off by one overflow in apr_brigade_vprintf. Note: CVE-2009-1956 is only an issue on big-endian architectures.

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical Fedora apr-util

Change Log

* Mon Jun 8 2009 Bojan Smojver - 1.2.12-7 - include missing bit of the apr_strmatch.c patch * Mon Jun 8 2009 Bojan Smojver - 1.2.12-6 - CVE-2009-0023 - "billion laughs" fix of apr_xml_* interface - off by one in apr_brigade_vprintf * Wed Jun 11 2008 Dennis Gilmore - 1.2.12-5.1 - minor rebuild on sparc

References


[ 1 ] Bug #504555 - CVE-2009-1955 apr-util billion laughs attack https://bugzilla.redhat.com/show_bug.cgi?id=504555 [ 2 ] Bug #504390 - CVE-2009-1956 apr-util single NULL byte buffer overflow https://bugzilla.redhat.com/show_bug.cgi?id=504390 [ 3 ] Bug #503928 - CVE-2009-0023 apr-util heap buffer underwrite https://bugzilla.redhat.com/show_bug.cgi?id=503928

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update apr-util' at the command line. For more information, refer to "Managing Software with yum", available at .

Severity
critical
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Name: apr-util
Product: Fedora 9
Version: 1.2.12
Release: 7.fc9
URL: https://apr.apache.org/
Summary: Apache Portable Runtime Utility library

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical Fedora apr-util

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