Home/CVE/A flaw was found in the "Leaf and Chain" OCSP policy implementation in JSS' CryptoManager versions after 4.4.6, 4.5.3, 4
CVE

CVE-2019-14823

A flaw was found in the "Leaf and Chain" OCSP policy implementation in JSS' CryptoManager versions after 4.4.6, 4.5.3, 4

A flaw was found in the "Leaf and Chain" OCSP policy implementation in JSS' CryptoManager versions after 4.4.6, 4.5.3, 4.6.0, where it implicitly trusted the root certificate of a certificate chain. Applications using this policy may not properly verify the chain and could be vulnerable to attacks such as Man in the Middle.

HIGH · CVSS 7.4 EPSS 0.00287
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
CWE-358Improperly Implemented Security Check for Standard
▤

Affected Products & Versions

10
jss cryptomanager project jss cryptomanager>= 4.4.6 and <= 4.4.7
jss cryptomanager project jss cryptomanager>= 4.5.3 and <= 4.5.4
jss cryptomanager project jss cryptomanager>= 4.6.0 and <= 4.6.2
redhat enterprise linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
⚠

Public Exploits & PoCs

1
pocaccess.redhat.com · RHSA-2019:3067access.redhat.com
▣

Scoring & Timeline

7.4
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2019 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
⚑

Vendor Advisories

2
rhsaRHSA-2019:3225Important
rhsaRHSA-2019:3067Important
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14823Issue TrackingPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ENEN4DQBE6WOGEP5BQ5X62WZM7ZQEEBG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O53NXVKMF7PJCPMCJQHLMSYCUGDHGBVE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZZWZLNALV6AOIBIHB3ZMNA5AGZMZAIY/
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