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CVE-2015-8853

Status Candidate

Overview

The (1) S_reghop3, (2) S_reghop4, and (3) S_reghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service (infinite loop) via crafted utf-8 data, as demonstrated by "ax80."

Related Files

Ubuntu Security Notice USN-3625-2
Posted Apr 18, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3625-2 - USN-3625-1 fixed a vulnerability in Perl. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, perl
systems | linux, ubuntu
advisories | CVE-2015-8853, CVE-2016-6185, CVE-2017-6512, CVE-2018-6913
MD5 | d4a5fd0410568b65575aca4ff4090d65
Ubuntu Security Notice USN-3625-1.tt
Posted Apr 16, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3625-1 - It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. It was discovered that Perl incorrectly loaded libraries from the current working directory. A local attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local, perl
systems | linux, ubuntu
advisories | CVE-2015-8853, CVE-2016-6185, CVE-2017-6512, CVE-2018-6797, CVE-2018-6798, CVE-2018-6913
MD5 | 73d95215fd2d3d7d29dd0162fd926131
Gentoo Linux Security Advisory 201701-75
Posted Jan 30, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-75 - Multiple vulnerabilities have been found in Perl, the worst of which could allow remote attackers to execute arbitrary code. Versions less than 5.22.3_rc4 are affected.

tags | advisory, remote, arbitrary, perl, vulnerability
systems | linux, gentoo
advisories | CVE-2015-8607, CVE-2015-8853, CVE-2016-1238, CVE-2016-2381, CVE-2016-6185
MD5 | aadc81a6433dc3251362cd7f85b56bd8
HP Security Bulletin HPSBNS03635 1
Posted Aug 22, 2016
Authored by HP | Site hp.com

HP Security Bulletin HPSBNS03635 1 - Multiple potential remote and local vulnerabilities impacting Perl and PHP have been addressed by HPE NonStop Servers OSS Script Languages. The vulnerabilities include Perl's opportunistic loading of optional modules which might allow local users to gain elevation of privilege via a Trojan horse library under the current working directory. Revision 1 of this advisory.

tags | advisory, remote, local, trojan, perl, php, vulnerability
advisories | CVE-2013-7456, CVE-2014-4330, CVE-2015-8383, CVE-2015-8386, CVE-2015-8387, CVE-2015-8389, CVE-2015-8390, CVE-2015-8391, CVE-2015-8393, CVE-2015-8394, CVE-2015-8607, CVE-2015-8853, CVE-2015-8865, CVE-2015-8874, CVE-2016-1238, CVE-2016-1903, CVE-2016-2381, CVE-2016-2554, CVE-2016-3074, CVE-2016-4070, CVE-2016-4071, CVE-2016-4072, CVE-2016-4073, CVE-2016-4342, CVE-2016-4343, CVE-2016-4537, CVE-2016-4538, CVE-2016-4539
MD5 | 208143266211c16a2e73608c2b984f2c
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