NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package proftpd-dfsg (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1904-PROFTPDDFSG-641477
- published10 Sept 2020
- disclosed26 Nov 2019
Introduced: 26 Nov 2019
CVE-2019-19272 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream proftpd-dfsg package and not the proftpd-dfsg package as distributed by Ubuntu.
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. Direct dereference of a NULL pointer (a variable initialized to NULL) leads to a crash when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.