Information disclosure in Apache Jackrabbit Oak

1) Information disclosure

EUVDB-ID: #VU24935

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1940

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error in the optional initial password change and password expiration features. The code mandates the changed password to be passed as an additional attribute to the credentials object, but does not remove it upon processing during the first phase of the authentication. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Jackrabbit Oak: 1.2.0 - 1.22.0

External links

http://www.openwall.com/lists/oss-security/2020/01/28/1
http://lists.apache.org/thread.html/r45b0e2fb6ac51c5a03952b08b5e0efde1249ecb809884cc87eb0bd99@%3Ccommits.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/r601637e38ee743e845856a4e24915cb8db26ae80ca782bef91989cbc@%3Coak-commits.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/ra295f919586b19def7cc7713d9d78595507d5f703362fccb779eeeb9@%3Coak-commits.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/ra6b3e78f5ed545c1d859d664f66c6d3fc5d731d9b1d842349654e4f0@%3Ccommits.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/rb3023cfd45441b570c1abaa347d0cac78df97b5d3f27d674d01b3d2a@%3Ccommits.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/rccc0ed467faa35734ea16b8f5de5603e708936c41a4eddd90fddeaf0%40%3Cusers.jackrabbit.apache.org%3E
http://lists.apache.org/thread.html/rccc0ed467faa35734ea16b8f5de5603e708936c41a4eddd90fddeaf0@%3Cannounce.jackrabbit.apache.org%3E
http://jackrabbit.apache.org/oak/docs/security/user/expiry.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.