Vulnerability CVE-2020-10878
Published: 2020-06-05

Description:
Perl before 5.30.3 has an integer overflow related to mishandling of a "PL_regkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
PERL -> PERL 

 References:
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/
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