CVE-2016-6496: Input Validation
First published: Fri Dec 09 2016(Updated: )
The LDAP directory connector in Atlassian Crowd before 2.8.8 and 2.9.x before 2.9.5 allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object, aka LDAP entry poisoning.
Credit: security-alert@hpe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Atlassian Crowd | <=2.8.4 | |
| Atlassian Crowd | =2.9.0 | |
| Atlassian Crowd | =2.9.1 |
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Reference Links
- http://www.securityfocus.com/archive/1/539655/100/0/threaded
- http://www.securityfocus.com/bid/93826
- https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html
- https://jira.atlassian.com/browse/CWD-4790
- https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf
Frequently Asked Questions
What is the severity of CVE-2016-6496?
CVE-2016-6496 is classified as high severity due to the potential for remote code execution.
How do I fix CVE-2016-6496?
To fix CVE-2016-6496, upgrade to Atlassian Crowd versions 2.8.8 or 2.9.5 and later.
What types of attacks are possible with CVE-2016-6496?
CVE-2016-6496 allows remote attackers to execute arbitrary code through LDAP entry poisoning.
Which versions of Atlassian Crowd are affected by CVE-2016-6496?
Atlassian Crowd versions prior to 2.8.8 and 2.9.0 through 2.9.1 are affected by CVE-2016-6496.
Is CVE-2016-6496 exploitable without authentication?
Yes, CVE-2016-6496 can be exploited without authentication, making it a critical vulnerability.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- agent/source
- vendor/atlassian
- canonical/atlassian crowd
- version/atlassian crowd/2.8.4
- version/atlassian crowd/2.9.0
- version/atlassian crowd/2.9.1