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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 10.58% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 30 March 2011
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- perl/perl
- Source
- secalert@redhat.com
EPSS 10.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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/2011/04/01/3Exploit, Patch
- http://openwall.com/lists/oss-security/2011/04/04/35Exploit, Patch
- http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99Patch
- 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=692898Exploit, Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66528
- 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/2011/04/01/3Exploit, Patch
- http://openwall.com/lists/oss-security/2011/04/04/35Exploit, Patch
- http://perl5.git.perl.org/perl.git/commit/539689e74a3bcb04d29e4cd9396de91a81045b99Patch
- 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=692898Exploit, Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66528
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.