VulnerabilityModified
CVE-2018-20060
This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.
CRITICAL 9.8EPSS 4.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.49% probability · 91th percentile
- CISA KEV
- Not listed
- Affected
- python/urllib3 · fedoraproject/fedora
- Source
- cve@mitre.org
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=1649153Issue Tracking, Mitigation, Patch, Third Party Advisory
- https://github.com/urllib3/urllib3/blob/master/CHANGES.rstRelease Notes, Third Party Advisory
- https://github.com/urllib3/urllib3/issues/1316Third Party Advisory
- https://github.com/urllib3/urllib3/pull/1346Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SJERZEJDSUYQP7BNBXMBHRHGY26HRZD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXLAXHM3Z6DUCXZ7ZXZ2EAYJXWDCZFCT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWP36YW3KSVLXDBY3QJKDYEPCIMN3VQZ/
- https://usn.ubuntu.com/3990-1/
- 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=1649153Issue Tracking, Mitigation, Patch, Third Party Advisory
- https://github.com/urllib3/urllib3/blob/master/CHANGES.rstRelease Notes, Third Party Advisory
- https://github.com/urllib3/urllib3/issues/1316Third Party Advisory
- https://github.com/urllib3/urllib3/pull/1346Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5SJERZEJDSUYQP7BNBXMBHRHGY26HRZD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BXLAXHM3Z6DUCXZ7ZXZ2EAYJXWDCZFCT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWP36YW3KSVLXDBY3QJKDYEPCIMN3VQZ/
- https://security.netapp.com/advisory/ntap-20241227-0010/
- https://usn.ubuntu.com/3990-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.