#VU29015 Integer overflow in Perl - CVE-2020-10878
Published: June 15, 2020
Vulnerability identifier: #VU29015
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-10878
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Perl
Perl
Software vendor:
Perl
Perl
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A remote attacker can use a specially crafted regular expression, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.
External links
- https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
- https://github.com/perl/perl5/commit/0a320d753fe7fca03df259a4dfd8e641e51edaa8
- https://github.com/perl/perl5/commit/3295b48defa0f8570114877b063fe546dd348b3c
- https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
- https://security.gentoo.org/glsa/202006-03
- https://security.netapp.com/advisory/ntap-20200611-0001/