PT-2016-6956 · Atlassian · Crowd

Alexander Mirosh + 1 · Published 2016-12-09 · Updated 2018-10-09 · CVE-2016-6496

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Atlassian Crowd versions prior to 2.8.8 Atlassian Crowd versions 2.9.x prior to 2.9.5

Description The issue allows remote attackers to execute arbitrary code via an LDAP attribute with a crafted serialized Java object. This is related to the LDAP directory connector in Atlassian Crowd.

Recommendations For versions prior to 2.8.8, update to version 2.8.8 or later. For versions 2.9.x prior to 2.9.5, update to version 2.9.5 or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2016-6496

Affected Products

Crowd

References · 7

• https://confluence.atlassian.com/crowd/crowd-security-advisory-2016-10-19-856697283.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6496 · Security Note
• https://osv.dev/vulnerability/CVE-2016-6496 · Vendor Advisory
• http://securityfocus.com/archive/1/539655/100/0/threaded · Note
• http://securityfocus.com/bid/93826 · Note
• https://jira.atlassian.com/browse/CWD-4790 · Note
• https://blackhat.com/docs/us-16/materials/us-16-Munoz-A-Journey-From-JNDI-LDAP-Manipulation-To-RCE-wp.pdf · Note