• [SECURITY] [DSA 4455-1] heimdal security update

    From Salvatore Bonaccorso@1:229/2 to All on Mon Jun 3 22:40:01 2019
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-4455-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso
    June 03, 2019 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : heimdal
    CVE ID : CVE-2018-16860 CVE-2019-12098
    Debian Bug : 928966 929064

    Several vulnerabilities were discovered in Heimdal, an implementation of Kerberos 5 that aims to be compatible with MIT Kerberos.

    CVE-2018-16860

    Isaac Boukris and Andrew Bartlett discovered that Heimdal was
    susceptible to man-in-the-middle attacks caused by incomplete
    checksum validation. Details on the issue can be found in the Samba
    advisory at https://www.samba.org/samba/security/CVE-2018-16860.html

    CVE-2019-12098

    It was discovered that failure of verification of the PA-PKINIT-KX key
    exchange client-side could permit to perform man-in-the-middle attack.

    For the stable distribution (stretch), these problems have been fixed in version 7.1.0+dfsg-13+deb9u3.

    We recommend that you upgrade your heimdal packages.

    For the detailed security status of heimdal please refer to its security tracker page at:
    https://security-tracker.debian.org/tracker/heimdal

    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/

    Mailing list: [email protected]
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