Vulnerability identifier: #VU16183
Vulnerability risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-190
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Perl
Universal components / Libraries /
Scripting languages
Vendor: Perl
Description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in Perl_my_setenv when processing malicious input. A remote unauthenticated attacker can supply specially crafted data, trigger heap-based buffer overflow and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
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=133204
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.