Debian: DSA-4172-1 Moderate: Perl Heap Overflow and Info Disclosure

debian

April 14, 2018

Multiple vulnerabilities were discovered in the implementation of the Perl programming language

Topics Covered

security advisory buffer overflow debian perl information disclosure

Summary

CVE-2018-6797

Brian Carpenter reported that a crafted regular expression
could cause a heap buffer write overflow, with control over the
bytes written.

CVE-2018-6798

Nguyen Duc Manh reported that matching a crafted locale dependent
regular expression could cause a heap buffer read overflow and
potentially information disclosure.

CVE-2018-6913

GwanYeong Kim reported that 'pack()' could cause a heap buffer write
overflow with a large item count.

For the oldstable distribution (jessie), these problems have been fixed
in version 5.20.2-3+deb8u10. The oldstable distribution (jessie) update
contains only a fix for CVE-2018-6913.

For the stable distribution (stretch), these problems have been fixed in
version 5.24.1-3+deb9u3.

We recommend that you upgrade your perl packages.

For the detailed security status of perl please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/perl

Further information about Debian Security Advisories, h...