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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
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 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
SHA-256 | 354da611e13b26533594dfaddd7263b5ff8f6d1c891f45eda624a9cbb40d1437
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
SHA-256 | 669492e2b6634929ca6740fee2a0e7aa50309178b09ab44dcbff2acc9c6e2e4a
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