Mageia 2019-0385: proftpd security update

    Date 13 Dec 2019
    256
    Posted By LinuxSecurity Advisories
    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
    MGASA-2019-0385 - Updated proftpd packages fix security vulnerability
    
    Publication date: 13 Dec 2019
    URL: https://advisories.mageia.org/MGASA-2019-0385.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2019-19269
    
    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 (CVE-2019-19269).
    
    References:
    - https://bugs.mageia.org/show_bug.cgi?id=25844
    - https://www.debian.org/lts/security/2019/dla-2018
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19269
    
    SRPMS:
    - 7/core/proftpd-1.3.5e-4.2.mga7
    

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