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CVE-2021-28153

Status Candidate

Overview

An issue was discovered in GNOME GLib before 2.66.8. When g_file_replace() is used with G_FILE_CREATE_REPLACE_DESTINATION to replace a path that is a dangling symlink, it incorrectly also creates the target of the symlink as an empty file, which could conceivably have security relevance if the symlink is attacker-controlled. (If the path is a symlink to a file that already exists, then the contents of that file correctly remain unchanged.)

Related Files

Red Hat Security Advisory 2021-4032-01
Posted Nov 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4032-01 - Openshift Logging Bug Fix Release. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2018-20673, CVE-2019-13750, CVE-2019-13751, CVE-2019-17594, CVE-2019-17595, CVE-2019-18218, CVE-2019-19603, CVE-2019-20838, CVE-2019-5827, CVE-2020-12762, CVE-2020-13435, CVE-2020-14155, CVE-2020-16135, CVE-2020-24370, CVE-2021-20231, CVE-2021-20232, CVE-2021-20266, CVE-2021-22876, CVE-2021-22898, CVE-2021-22925, CVE-2021-23369, CVE-2021-23383, CVE-2021-23840, CVE-2021-23841, CVE-2021-27645, CVE-2021-28153
MD5 | 0afccb07d0753c3bcf41066f814de533
Red Hat Security Advisory 2021-4385-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4385-03 - GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Issues addressed include a privilege escalation vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-28153, CVE-2021-3800
MD5 | 0ee3289ae2b9fd21d6efbf9443ac5d01
Gentoo Linux Security Advisory 202107-13
Posted Jul 7, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202107-13 - Multiple vulnerabilities have been found in GLib, the worst of which could result in the arbitrary execution of code. Versions less than 2.66.8 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2021-27218, CVE-2021-27219, CVE-2021-28153
MD5 | b043804d72fb36a4554ed4fe5544f165
Ubuntu Security Notice USN-4764-1
Posted Mar 15, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4764-1 - It was discovered that GLib incorrectly handled certain symlinks when replacing files. If a user or automated system were tricked into extracting a specially crafted file with File Roller, a remote attacker could possibly create files outside of the intended directory.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2021-28153
MD5 | 6f8491496f4f4196b8a9436b8e3cfd0f
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