The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php
in TYPO3 4.2.x before 4.2.15, 4.3.x before 4.3.7, and 4.4.x before 4.4.4 does not properly compare certain hash values during access-control decisions, which allows remote attackers to read arbitrary files via unspecified vectors.
blog.nibblesec.org/2010/12/typo3-sa-2010-020-typo3-sa-2010-022.html
typo3.org/teams/security/security-bulletins/typo3-sa-2010-020
www.debian.org/security/2010/dsa-2121
www.exploit-db.com/exploits/15856
github.com/TYPO3/typo3
github.com/TYPO3/typo3/commit/687b671c765eac10ffb764547bb403ac3ef55620
github.com/TYPO3/typo3/commit/a8ccd387cafd2c2c338fc29109c16418f7657229
github.com/TYPO3/typo3/commit/d95f06f633fd2c289b544f6d5907b789eae6cccb
nvd.nist.gov/vuln/detail/CVE-2010-3714
web.archive.org/web/20111220151231/www.securityfocus.com/bid/43786