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Debian DSA-2265-1 Moderately Addresses Perl Tainted Flag Leak Issue

Mark Martinec discovered that Perl incorrectly clears the tainted flag on values returned by case conversion functions such as "lc". This may expose preexisting vulnerabilities in applications which use these functions while processing untrusted input. No such applications are . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2265-1 This email address is being protected from spambots. You need JavaScript enabled to view it. http://www.debian.org/security/ Florian Weimer June 20, 2011 http://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : perl Vulnerability : lack of tainted flag propagation Problem type : remote Debian-specific: no CVE ID : CVE-2011-1487 Debian Bug : 622817 Mark Martinec discovered that Perl incorrectly clears the tainted flag on values returned by case conversion functions such as "lc". This may expose preexisting vulnerabilities in applications which use these functions while processing untrusted input. No such applications are known at this stage. Such applications will cease to work when this security update is applied because taint checks are designed to prevent such unsafe use of untrusted input data. For the oldstable distribution (lenny), this problem has been fixed in version 5.10.0-19lenny4. For the stable distribution (squeeze), this problem has been fixed in version 5.10.1-17squeeze1. For the testing distribution (wheezy), this problem has been fixed in version . For the testing distribution (wheezy) and the unstable distribution (sid), this problem has been fixed in version 5.10.1-20. We recommend that you upgrade your perl packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . An enhancementpatch for Ruby fixes vulnerabilities related to unsafe parameter processing that could put unverified data management at risk.. Debian Security, Perl Update, Tainted Flag Issue, Remote Threat. . LinuxSecurity.com Team

Jun 20, 2011 Debian