• [SECURITY] [DSA 4757-1] apache2 security update

    From Salvatore Bonaccorso@21:1/5 to All on Mon Aug 31 17:20:01 2020
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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-4757-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso August 31, 2020 https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : apache2
    CVE ID : CVE-2020-1927 CVE-2020-1934 CVE-2020-9490 CVE-2020-11984
    CVE-2020-11993

    Several vulnerabilities have been found in the Apache HTTPD server.

    CVE-2020-1927

    Fabrice Perez reported that certain mod_rewrite configurations are
    prone to an open redirect.

    CVE-2020-1934

    Chamal De Silva discovered that the mod_proxy_ftp module uses
    uninitialized memory when proxying to a malicious FTP backend.

    CVE-2020-9490

    Felix Wilhelm discovered that a specially crafted value for the
    'Cache-Digest' header in a HTTP/2 request could cause a crash when
    the server actually tries to HTTP/2 PUSH a resource afterwards.

    CVE-2020-11984

    Felix Wilhelm reported a buffer overflow flaw in the mod_proxy_uwsgi
    module which could result in information disclosure or potentially
    remote code execution.

    CVE-2020-11993

    Felix Wilhelm reported that when trace/debug was enabled for the
    HTTP/2 module certain traffic edge patterns can cause logging
    statements on the wrong connection, causing concurrent use of
    memory pools.

    For the stable distribution (buster), these problems have been fixed in
    version 2.4.38-3+deb10u4.

    We recommend that you upgrade your apache2 packages.

    For the detailed security status of apache2 please refer to its security tracker page at:
    https://security-tracker.debian.org/tracker/apache2

    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: debian-security-announce@lists.debian.org
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