CVE-2013-4255: Input Validation
First published: Fri Mar 08 2013(Updated: )
A denial of service flaw was found in the way Condor's policy definition evaluator processed certain policy definitions. If an administrator used an attribute defined on a job in any of the following condor_startd policies (CONTINUE, KILL, PREEMPT, SUSPEND), a remote Condor service user could use this flaw to cause a denial of the condor_startd service by submitting a Condor job that caused certain policy definition to be evaluated to either ERROR or UNDEFINED states. Workaround: =========== Check for UNDEFINED & ERROR in the policy configuration.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| HTCondor | <=8.0.0 | |
| HTCondor | =7.5.4 | |
| Red Hat Enterprise MRG | =2.0 | |
| Red Hat Enterprise MRG | =2.1 | |
| Red Hat Enterprise MRG | =2.2 | |
| Red Hat Enterprise MRG | =2.3 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2013-1171.html
- http://rhn.redhat.com/errata/RHSA-2013-1172.html
- https://bugzilla.redhat.com/show_bug.cgi?id=919401
- https://htcondor-wiki.cs.wisc.edu/index.cgi/tktview?tn=1786
- https://htcondor-wiki.cs.wisc.edu/index.cgi/tktview?tn=3829
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=999579
- https://rhn.redhat.com/errata/RHSA-2013-1172.html
- https://rhn.redhat.com/errata/RHSA-2013-1171.html
Frequently Asked Questions
What is the severity of CVE-2013-4255?
CVE-2013-4255 has been classified as a high severity denial of service vulnerability.
How do I fix CVE-2013-4255?
To fix CVE-2013-4255, upgrade Condor to versions 8.0.1 or later, or apply the relevant patches provided by your vendor.
What systems are affected by CVE-2013-4255?
CVE-2013-4255 affects multiple versions of HTCondor and Red Hat Enterprise MRG including versions 7.5.4 through 8.0.0.
Can CVE-2013-4255 be exploited remotely?
Yes, CVE-2013-4255 can be exploited by remote users which could lead to a denial of service condition.
Are there any workarounds for CVE-2013-4255?
Currently, there are no official workarounds for CVE-2013-4255, and upgrading is the recommended course of action.
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