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CVE-2013-0219

Status Candidate

Overview

System Security Services Daemon (SSSD) before 1.9.4, when (1) creating, (2) copying, or (3) removing a user home directory tree, allows local users to create, modify, or delete arbitrary files via a symlink attack on another user's files.

Related Files

Red Hat Security Advisory 2013-1319-01
Posted Oct 1, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1319-01 - SSSD provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides NSS and PAM interfaces toward the system and a pluggable back end system to connect to multiple different account sources. A race condition was found in the way SSSD copied and removed user home directories. A local attacker who is able to write into the home directory of a different user who is being removed could use this flaw to perform symbolic link attacks, possibly allowing them to modify and delete arbitrary files with the privileges of the root user.

tags | advisory, remote, arbitrary, local, root
systems | linux, redhat
advisories | CVE-2013-0219
SHA-256 | 68634b43e7aee4755426c826c0975dcc8942e7311527465241566e06d2153a51
Red Hat Security Advisory 2013-0508-02
Posted Feb 21, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0508-02 - The System Security Services Daemon provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back-end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects such as FreeIPA. A race condition was found in the way SSSD copied and removed user home directories. A local attacker who is able to write into the home directory of a different user who is being removed could use this flaw to perform symbolic link attacks, possibly allowing them to modify and delete arbitrary files with the privileges of the root user.

tags | advisory, remote, arbitrary, local, root
systems | linux, redhat
advisories | CVE-2013-0219, CVE-2013-0220
SHA-256 | 5f4d4ac0d402e7d34c822b10932ba79a7ffbb16252504fea9e6c982a0cd5cf68
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