Permissions, Privileges, and Access Controls in Avatar - CVE-2019-10377
Published: October 4, 2019
Vulnerability identifier: #VU21548
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-10377
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Avatar
Avatar
Detailed vulnerability description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the affected software does not implement a permission check for the HTTP URL used to replace user avatars. A remote authenticated attacker with Overall/Read permission can change any other user’s avatar, in addition to their own.
How to mitigate CVE-2019-10377
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.