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CVE-2018-18311: Integer overflow leading to buffer overflow

A flaw was found in Perl versions 5.8.0 through 5.28. An Integer overflow leading to buffer overflow
in Perl_my_setenv function in util.c

Fixed In Version:

perl 5.29.1, perl 5.26.3

Reference:

https://rt.perl.org/Public/Bug/Display.html?id=133204

Patch:

https://github.com/Perl/perl5/commit/34716e2a6ee2af96078d62b065b7785c001194be
Introduced by: https://perl5.git.perl.org/perl.git/commitdiff/e658793210bbe632a5e80a876acfcd0984c46b87

CVE-2018-18312: Heap-buffer-overflow write / reg_node overrun

A flaw was found in Perl versions 5.18 through 5.26. A Heap-buffer-overflow write / reg_node overrun

Fixed In Version:

perl 5.26.3, perl 5.28.1

References:

https://rt.perl.org/Ticket/Display.html?id=133423
https://security-tracker.debian.org/tracker/CVE-2018-18312

CVE-2018-18313: Heap-buffer-overflow read in regcomp.c

A flaw was found in Perl versions 5.22 through 5.26. Heap-buffer-overflow read in regcomp.c

Fixed In Version:

perl 5.26.3, perl 5.28.1

Reference:

https://rt.perl.org/Public/Bug/Display.html?id=133192

Patch:

https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62

CVE-2018-18314: Heap-based buffer overflow

A flaw was found in Perl versions 5.18 through 5.28. A Heap-based buffer overflow

Fixed In Version:

perl 5.26.3, perl 5.28.1

Reference:

https://rt.perl.org/Public/Bug/Display.html?id=131649

Patch:

https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4f

(from redmine: issue id 9726, created on 2018-12-04, closed on 2018-12-06)

• Relations:
  • child #9727 (closed)
  • child #9728 (closed)
  • child #9729 (closed)
  • child #9730 (closed)