CVE-2011-1487

Public Exploit

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.99% Top 15%
Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory mandriva.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=692844
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057891.html vendor advisory
http://secunia.com/advisories/44168 third party advisory
http://secunia.com/advisories/43921 third party advisory vendor advisory
http://www.debian.org/security/2011/dsa-2265 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057971.html vendor advisory
http://rt.perl.org/rt3/Public/Bug/Display.html?id=87336 exploit
http://www.securityfocus.com/bid/47124 vdb entry exploit
http://openwall.com/lists/oss-security/2011/04/04/35 mailing list exploit patch
http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99 patch
https://bugzilla.redhat.com/show_bug.cgi?id=692898 patch exploit
http://www.mandriva.com/security/advisories?name=MDVSA-2011:091 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66528 vdb entry
http://openwall.com/lists/oss-security/2011/04/01/3 mailing list exploit patch

Frequently Asked Questions

What is the severity of CVE-2011-1487?
CVE-2011-1487 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1487?
To fix CVE-2011-1487, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1487 being actively exploited in the wild?
It is possible that CVE-2011-1487 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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