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CVE-2019-3461

Status Candidate

Overview

Debian tmpreaper version 1.6.13+nmu1 has a race condition when doing a (bind) mount via rename() which could result in local privilege escalation. Mounting via rename() could potentially lead to a file being placed elsewhereon the filesystem hierarchy (e.g. /etc/cron.d/) if the directory being cleaned up was on the same physical filesystem. Fixed versions include 1.6.13+nmu1+deb9u1 and 1.6.14.

Related Files

Ubuntu Security Notice USN-4077-1
Posted Jul 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4077-1 - It was discovered that tmpreaper incorrectly handled certain mount operations. A local attacker could possibly use this issue to create arbitrary files, leading to privilege escalation.

tags | advisory, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2019-3461
MD5 | bba08e3c5c697f212e524ad414322f6d
Debian Security Advisory 4365-1
Posted Jan 11, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4365-1 - Stephen Roettger discovered a race condition in tmpreaper, a program that cleans up files in directories based on their age, which could result in local privilege escalation.

tags | advisory, local
systems | linux, debian
advisories | CVE-2019-3461
MD5 | b7df79db42b0fc4f6ea9529905cda3e3
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