Published: 02 March 2011
The installer in PEAR before 1.9.2 allows local users to overwrite arbitrary files via a symlink attack on the package.xml file, related to the (1) download_dir, (2) cache_dir, (3) tmp_dir, and (4) pear-build-download directories, a different vulnerability than CVE-2007-2519.
Launchpad, Ubuntu, Debian
pear 1.9.2 contains an incomplete fix. CVE-2011-1144 was assigned to incomplete fix.
maverick and lucid at least are affected, as they contain PEAR 1.9.1 and 1.9.0 respectively.