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CVE-2019-14823

HIGHCVSS 7.4/10EPSS 0.86%

Last modified

CVE-2019-14823 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Jss Cryptomanager ProjectJss Cryptomanager>= 4.4.6, <= 4.4.7
Jss Cryptomanager ProjectJss Cryptomanager>= 4.5.3, <= 4.5.4
Jss Cryptomanager ProjectJss Cryptomanager>= 4.6.0, <= 4.6.2
RedhatEnterprise Linux6.0
RedhatEnterprise Linux6.1
RedhatEnterprise Linux6.2
RedhatEnterprise Linux6.3
RedhatEnterprise Linux6.4
RedhatEnterprise Linux6.5
RedhatEnterprise Linux6.6
RedhatEnterprise Linux6.7
RedhatEnterprise Linux6.8
RedhatEnterprise Linux6.9
RedhatEnterprise Linux6.10
RedhatEnterprise Linux7.0
RedhatEnterprise Linux7.1
RedhatEnterprise Linux7.2
RedhatEnterprise Linux7.3
RedhatEnterprise Linux7.4
RedhatEnterprise Linux7.5
RedhatEnterprise Linux7.6
RedhatEnterprise Linux7.7
RedhatEnterprise Linux8.0
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Eus7.7
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.7
RedhatEnterprise Linux Server Tus7.7
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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, 4.6.0, 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.
How severe is CVE-2019-14823?
CVE-2019-14823 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2019-14823?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14823?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST