Debian LTS: Security Advisory for ca-certificates (DLA-2593-1)

Published: 2021-03-14 04:00:17

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Summary:
The remote host is missing an update for the 'ca-certificates' Linux Distribution Package(s) announced via the DLA-2593-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
This update reverts the Symantec CA blacklist (which was originally #911289). The following root certificates were added back (+): + 'GeoTrust Global CA' + 'GeoTrust Primary Certification Authority' + 'GeoTrust Primary Certification Authority - G2' + 'GeoTrust Primary Certification Authority - G3' + 'GeoTrust Universal CA' + 'thawte Primary Root CA' + 'thawte Primary Root CA - G2' + 'thawte Primary Root CA - G3' + 'VeriSign Class 3 Public Primary Certification Authority - G4' + 'VeriSign Class 3 Public Primary Certification Authority - G5' + 'VeriSign Universal Root Certification Authority' NOTE: due to bug #743339, CA certificates added back in this version won't automatically be trusted again on upgrade. Affected users may need to reconfigure the Linux Distribution Package to restore the desired state.

Affected Versions:
'ca-certificates' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 9 stretch, this problem has been fixed in version 20200601~deb9u2. We recommend that you upgrade your ca-certificates Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

References:

https://lists.debian.org/debian-lts-announce/2021/03/msg00016.html
https://security-tracker.debian.org/tracker/DLA-2593-1

https://bugs.debian.org/962596

Severity
Medium
CVSS Score
5.0
Published
2021-03-14
Modified
2021-03-15
Category
Debian Local Security Checks

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