CVE-2010-0442

The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated users to cause a denial of service (daemon crash) or have unspecified other impact via vectors involving a negative integer in the third argument, as demonstrated by a SELECT statement that contains a call to the substring function for a bit string, related to an "overflow."

🔗 References (52)

• secalert@redhathttp://archives.postgresql.org/pgsql-committers/2010-01/msg00125.php
• secalert@redhathttp://archives.postgresql.org/pgsql-hackers/2010-01/msg00634.php
• secalert@redhathttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567058
• secalert@redhathttp://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=75dea10196c31d98d98c0bafeeb576ae99c09b12
• secalert@redhathttp://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=b15087cb39ca9e4bde3c8920fcee3741045d2b83
• secalert@redhathttp://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html
• secalert@redhathttp://secunia.com/advisories/39566
• secalert@redhathttp://secunia.com/advisories/39820
• secalert@redhathttp://secunia.com/advisories/39939
• secalert@redhathttp://securitytracker.com/id?1023510
• secalert@redhathttp://ubuntu.com/usn/usn-933-1
• secalert@redhathttp://www.debian.org/security/2010/dsa-2051
• secalert@redhathttp://www.mandriva.com/security/advisories?name=MDVSA-2010:103
• secalert@redhathttp://www.openwall.com/lists/oss-security/2010/01/27/5
• secalert@redhathttp://www.redhat.com/support/errata/RHSA-2010-0427.html