Vulnerability Description
The (1) lc, (2) lcfirst, (3) uc, and (4) ucfirst functions in Perl 5.10.x, 5.11.x, and 5.12.x through 5.12.3, and 5.13.x through 5.13.11, do not apply the taint attribute to the return value upon processing tainted input, which might allow context-dependent attackers to bypass the taint protection mechanism via a crafted string.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Perl | Perl | 5.10.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057891.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057971.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://openwall.com/lists/oss-security/2011/04/01/3ExploitPatch
- http://openwall.com/lists/oss-security/2011/04/04/35ExploitPatch
- http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045bPatch
- http://rt.perl.org/rt3/Public/Bug/Display.html?id=87336Exploit
- http://secunia.com/advisories/43921Vendor Advisory
- http://secunia.com/advisories/44168
- http://www.debian.org/security/2011/dsa-2265
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:091
- http://www.securityfocus.com/bid/47124Exploit
- https://bugzilla.redhat.com/show_bug.cgi?id=692844
- https://bugzilla.redhat.com/show_bug.cgi?id=692898ExploitPatch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66528
FAQ
What is CVE-2011-1487?
CVE-2011-1487 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The (1) lc, (2) lcfirst, (3) uc, and (4) ucfirst functions in Perl 5.10.x, 5.11.x, and 5.12.x through 5.12.3, and 5.13.x through 5.13.11, do not apply the taint attribute to the return value upon proc...
How severe is CVE-2011-1487?
CVE-2011-1487 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1487?
Check the references section above for vendor advisories and patch information. Affected products include: Perl Perl.