| Description: | Summary:
The remote host is missing an update for the Debian 'perl' package(s) announced via the DSA-4347-1 advisory.
Vulnerability Insight:
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.
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 at: [link moved to references]
Affected Software/OS:
'perl' package(s) on Debian 9.
Solution:
Please install the updated package(s).
CVSS Score:
7.5
CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
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