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CVE-2017-6512

Status Candidate

Overview

Race condition in the rmtree and remove_tree functions in the File-Path module before 2.13 for Perl allows attackers to set the mode on arbitrary files via vectors involving directory-permission loosening logic.

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 201709-12
Posted Sep 18, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201709-12 - A vulnerability in module File::Path for Perl allows local attackers to set arbitrary mode values on arbitrary files bypassing security restrictions. Versions less than 5.24.1-r2 are affected.

tags | advisory, arbitrary, local, perl
systems | linux, gentoo
advisories | CVE-2017-6512
MD5 | 5620847c3a8f249a70ab67b6ec52b2b1
Debian Security Advisory 3873-1
Posted Jun 5, 2017
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3873-1 - The cPanel Security Team reported a time of check to time of use (TOCTTOU) race condition flaw in File::Path, a core module from Perl to create or remove directory trees. An attacker can take advantage of this flaw to set the mode on an attacker-chosen file to a attacker-chosen value.

tags | advisory, perl
systems | linux, debian
advisories | CVE-2017-6512
MD5 | 599f343c6f8c0a3ef16c7eb1a857ccb8
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