SB2019072510 - Improper Authorization in openldap (Alpine package)
Published: July 25, 2019
Security Bulletin ID
SB2019072510
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authorization (CVE-ID: CVE-2019-13057)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect processing of rootDN delegation in the OpenLDAP multi-tenant deployments. A database administrator could use this issue to request authorization as an identity from another database, contrary to expectations.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=9ddc3495242d68471af48fd96331ba0d40570080
- https://git.alpinelinux.org/aports/commit/?id=d2d4b8f40c5ce345d2fa7e6812b200450f4d1973
- https://git.alpinelinux.org/aports/commit/?id=eb7c99fb435406b592f0b923ab91a380ed04eb64
- https://git.alpinelinux.org/aports/commit/?id=245b526abb5493a981c7ad33f9a6b264fcd11265
- https://git.alpinelinux.org/aports/commit/?id=9eb2f7f4d4ac07bbabe6a18f96444a50fc2cc5b2
- https://git.alpinelinux.org/aports/commit/?id=af3ed181bcf3f7faf6fa68921476a724d8bd0e0f
- https://git.alpinelinux.org/aports/commit/?id=fad85a325388ffbdb0f30f6396fdb8188f0725ac