#VU16186 Heap-based buffer overflow in Perl


Published: 2018-11-30 | Updated: 2018-12-04

Vulnerability identifier: #VU16186

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-18313

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Perl
Universal components / Libraries / Scripting languages

Vendor: Perl

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to heap-based buffer overflow read during compilation. A remote unauthenticated attacker can supply specially crafted regular expression, trigger memory leak and gain access to arbitrary data.

Mitigation
Update to version 5.28.1.

Vulnerable software versions

Perl: 5.24.0 - 5.24.1, 5.23.0 - 5.23.9, 5.26.0 - 5.26.2, 5.16, 5.15, 5.14.0 - 5.14.1, 5.13.1 - 5.13.11, 5.12.0 - 5.12.3, 5.11.0 - 5.11.5, 5.10.0 - 5.10.1, 5.8.0 - 5.8.8, 5.6.0 - 5.6.2, 5.5, 5.4, 5.22.2-1, 5.28.0


External links
http://rt.perl.org/Public/Bug/Display.html?id=133192


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. However, proof of concept for this vulnerability is available.


Latest bulletins with this vulnerability