Vulnerability CVE-2020-12723


Published: 2020-06-05

Description:
regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.

Type:

CWE-120

(Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
PERL -> PERL 

 References:
https://github.com/Perl/perl5/blob/blead/pod/perl5303delta.pod
https://github.com/perl/perl5/commit/66bbb51b93253a3f87d11c2695cfb7bdb782184a
https://github.com/Perl/perl5/compare/v5.30.2...v5.30.3
https://github.com/Perl/perl5/issues/16947
https://github.com/Perl/perl5/issues/17743
https://security.gentoo.org/glsa/202006-03
https://security.netapp.com/advisory/ntap-20200611-0001/

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