Some vulnerabilities have been reported in APR-util, which can be exploited by malicious users and malicious people to disclose potentially sensitive information or cause a DoS (Denial of Service).
1) A vulnerability is caused due to an error in the processing of XML files and can be exploited to exhaust all available memory via a specially crafted XML file containing a predefined entity inside an entity definition.
2) A vulnerability is caused due to an error within the "apr_strmatch_precompile()" function in strmatch/apr_strmatch.c, which can be exploited to crash an application using the library.
3) An off-by-one error within the "apr_brigade_vprintf()" function in buckets/apr_brigade.c can be exploited to disclose potentially sensitive information or crash an application using the library.
Successful exploitation may require a big-endian system.
Solution: Update to version 0.9.17 or 1.3.7.
Provided and/or discovered by: 1) kcope
2) Matthew Palmer
3) C. Michael Pilato
Original Advisory: http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3
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