SB2018121130 - Information disclosure in urllib3
Published: December 11, 2018 Updated: November 10, 2023
Security Bulletin ID
SB2018121130
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2018-20060)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to Authorization HTTP header is not removed from the HTTP request during request redirection in "urllib3/util/retry.py". A remote attacker can intercept the request and gain access to sensitive information, passed via Authorization HTTP header.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
- https://access.redhat.com/errata/RHSA-2019:2272
- https://bugzilla.redhat.com/show_bug.cgi?id=1649153
- https://github.com/urllib3/urllib3/blob/master/CHANGES.rst
- https://github.com/urllib3/urllib3/issues/1316
- https://github.com/urllib3/urllib3/pull/1346
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5SJERZEJDSUYQP7BNBXMBHRHGY26HRZD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BXLAXHM3Z6DUCXZ7ZXZ2EAYJXWDCZFCT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWP36YW3KSVLXDBY3QJKDYEPCIMN3VQZ/
- https://usn.ubuntu.com/3990-1/