Description
The abrt-hook-ccpp help program in Automatic Bug Reporting Tool (ABRT) before 2.7.1 allows local users with certain permissions to gain privileges via a symlink attack on a file with a predictable name, as demonstrated by /var/tmp/abrt/abrt-hax-coredump or /var/spool/abrt/abrt-hax-coredump.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- oracle / linux7 – 7
- RedHat / automatic_bug_reporting_tool2.7.0
- RedHat / enterprise_linux6.0 – 6.0
- RedHat / enterprise_linux7.0 – 7.0
- RedHat / enterprise_linux_desktop7.0 – 7.0
- RedHat / enterprise_linux_hpc_node7.0 – 7.0
- RedHat / enterprise_linux_server7.0 – 7.0
- RedHat / enterprise_linux_workstation7.0 – 7.0
Exploits & proofs of concept
- exploit-dbABRT - sosreport Privilege Escalation (Metasploit)by Metasploit
- exploit-dbabrt (Centos 7.1 / Fedora 22) - Local Privilege Escalationby rebel
- exploit-dbRHEL 7.0/7.1 - 'abrt/sosreport' Local Privilege Escalationby rebel
References
- MISChttp://rhn.redhat.com/errata/RHSA-2015-2505.html
- EXPLOIThttps://www.exploit-db.com/exploits/38832/
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2015/12/01/1
- VENDOR_ADVISORYhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=1266837
- MISChttp://www.securityfocus.com/bid/78137
- PATCHhttps://github.com/abrt/abrt/commit/3c1b60cfa62d39e5fff5a53a5bc53dae189e740e
- EXPLOIThttp://packetstormsecurity.com/files/154592/ABRT-sosreport-Privilege-Escalation.html
Updated 5m ago · 8 sources