CVE-2016-6496

moderate-risk
Published 2016-12-09

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.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Atlassian

References (10)

http://www.securityfocus.com/archive/1/539655/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/93826
Vendor Advisory https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697...
Issue Tracking https://jira.atlassian.com/browse/CWD-4790
Not Applicable https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LD...
http://www.securityfocus.com/archive/1/539655/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/93826
Vendor Advisory https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697...
Issue Tracking https://jira.atlassian.com/browse/CWD-4790
Not Applicable https://www.blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LD...
47
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 9/34 · Low