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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 "a\x80."

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
SHA-256 | ff8ba6835c5471028b08121523dc8369b5986ca2bddf697ecf88fada90834e01
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
SHA-256 | 993c5bb2d33be22423d12dee38b8e4e9644059fd1ff976ebca463d5df813a5ad
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
SHA-256 | cdd279034985732a13fb92530da2b6d854d1f02cd93718b3a52824aa2a52f265
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
SHA-256 | d61092f8531c4cfe3e647e6a78dff740f1529c96097e41b94e0050770ca40436
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