An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
11
Affected Products
14
References
proftpd / proftpd
| - |
| proftpd | proftpd | - | - |
| proftpd | proftpd | - | - |
| proftpd | proftpd | - | - |
| proftpd | proftpd | - | - |
| proftpd | proftpd | - | - |
| fedoraproject | fedora | - | - |
| fedoraproject | fedora | - | - |
| debian | debian_linux | - | - |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Exploitability
Impact