Heap-based buffer overflow in Perl
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-5195 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Perl Universal components / Libraries / Scripting languages |
| Vendor | Perl |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU32721
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-5195
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5. A remote attacker can use the to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsPerl: 5.12.0 - 5.15.4
External linkshttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44
http://rhn.redhat.com/errata/RHSA-2013-0685.html
http://secunia.com/advisories/51457
http://secunia.com/advisories/55314
http://www.debian.org/security/2012/dsa-2586
http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html
http://www.openwall.com/lists/oss-security/2012/10/26/2
http://www.openwall.com/lists/oss-security/2012/10/27/1
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/56287
http://www.ubuntu.com/usn/USN-1643-1
http://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0352
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
