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Test ID:1.3.6.1.4.1.25623.1.0.704347
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 4347-1 (perl - security update)
Summary:Multiple vulnerabilities were discovered in the implementation of the;Perl programming language. The Common Vulnerabilities and Exposures;project identifies the following problems:;;CVE-2018-18311;Jayakrishna Menon and Christophe Hauser discovered an integer;overflow vulnerability in Perl_my_setenv leading to a heap-based;buffer overflow with attacker-controlled input.;;CVE-2018-18312;Eiichi Tsukata discovered that a crafted regular expression could;cause a heap-based buffer overflow write during compilation,;potentially allowing arbitrary code execution.;;CVE-2018-18313;Eiichi Tsukata discovered that a crafted regular expression could;cause a heap-based buffer overflow read during compilation which;leads to information leak.;;CVE-2018-18314;Jakub Wilk discovered that a specially crafted regular expression;could lead to a heap-based buffer overflow.
Description:Summary:
Multiple vulnerabilities were discovered in the implementation of the
Perl programming language. The Common Vulnerabilities and Exposures
project identifies the following problems:

CVE-2018-18311
Jayakrishna Menon and Christophe Hauser discovered an integer
overflow vulnerability in Perl_my_setenv leading to a heap-based
buffer overflow with attacker-controlled input.

CVE-2018-18312
Eiichi Tsukata discovered that a crafted regular expression could
cause a heap-based buffer overflow write during compilation,
potentially allowing arbitrary code execution.

CVE-2018-18313
Eiichi Tsukata discovered that a crafted regular expression could
cause a heap-based buffer overflow read during compilation which
leads to information leak.

CVE-2018-18314
Jakub Wilk discovered that a specially crafted regular expression
could lead to a heap-based buffer overflow.

Affected Software/OS:
perl on Debian Linux

Solution:
For the stable distribution (stretch), these problems have been fixed in
version 5.24.1-3+deb9u5.

We recommend that you upgrade your perl packages.

For the detailed security status of perl please refer to its security
tracker page linked in the references.

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-18311
Common Vulnerability Exposure (CVE) ID: CVE-2018-18312
Common Vulnerability Exposure (CVE) ID: CVE-2018-18313
Common Vulnerability Exposure (CVE) ID: CVE-2018-18314
CopyrightCopyright (c) 2018 Greenbone Networks GmbH http://greenbone.net

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