USN-3811-1: SpamAssassin vulnerabilities

  • USN-3811-1: SpamAssassin vulnerabilities

    Ubuntu Security Notices wrote:

    spamassassin vulnerabilities

    A security issue affects these releases of Ubuntu and its derivatives:

    • Ubuntu 18.04 LTS
    • Ubuntu 16.04 LTS
    • Ubuntu 14.04 LTS

    Summary

    Several security issues were fixed in SpamAssassin.

    Software Description

    • spamassassin - Perl-based spam filter using text analysis

    Details

    It was discovered that SpamAssassin incorrectly handled certain unclosed tags in emails. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2017-15705)

    It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780)

    It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781)

    Update instructions

    The problem can be corrected by updating your system to the following package versions:

    Ubuntu 18.04 LTS
    spamassassin - 3.4.2-0ubuntu0.18.04.1
    Ubuntu 16.04 LTS
    spamassassin - 3.4.2-0ubuntu0.16.04.1
    Ubuntu 14.04 LTS
    spamassassin - 3.4.2-0ubuntu0.14.04.1

    To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

    This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

    References

    Source: usn.ubuntu.com/3811-1/