Vulnerability in Perl
CVE-2011-1487
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.106 (95.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.087 · newest: 0.106 · change: +0.019
Affected products
- Perl — versions 5.10.0, 5.10.1, 5.13.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi
- lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-April/057891.html (vendor-advisory)
- secunia.com/advisories/44168 (third-party-advisory)
- secunia.com/advisories/43921 (Vendor Advisory, third-party-advisory)
- www.debian.org/security/2011/dsa-2265 (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-April/057971.html (vendor-advisory)
- rt.perl.org/rt3/Public/Bug/Display.html (Exploit)
- www.securityfocus.com/bid/47124 (Exploit, vdb-entry)
- openwall.com/lists/oss-security/2011/04/04/35 (mailing-list, Exploit, Patch)