Security Features Affecting openssl package, versions <1.0.2d-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
8.77% (95th percentile)

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  • Snyk IDSNYK-DEBIAN10-OPENSSL-374724
  • published9 Jul 2015
  • disclosed9 Jul 2015

Introduced: 9 Jul 2015

CVE-2015-1793  (opens in a new tab)
CWE-254  (opens in a new tab)

How to fix?

Upgrade Debian:10 openssl to version 1.0.2d-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssl package and not the openssl package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

The X509_verify_cert function in crypto/x509/x509_vfy.c in OpenSSL 1.0.1n, 1.0.1o, 1.0.2b, and 1.0.2c does not properly process X.509 Basic Constraints cA values during identification of alternative certificate chains, which allows remote attackers to spoof a Certification Authority role and trigger unintended certificate verifications via a valid leaf certificate.

References

CVSS Scores

version 3.1