ALAS-2019-1146


Amazon Linux AMI Security Advisory: ALAS-2019-1146
Advisory Release Date: 2019-01-12 03:28 Pacific
Severity: Low

Issue Overview:

An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.(CVE-2018-14681 )

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.(CVE-2018-14682 )

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. It does not reject blank CHM filenames.(CVE-2018-14680 )

A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.(CVE-2018-15378 )

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).(CVE-2018-14679 )


Affected Packages:

clamav


Issue Correction:
Run yum update clamav to update your system.

New Packages:
i686:
    clamav-lib-0.100.2-2.35.amzn1.i686
    clamav-milter-0.100.2-2.35.amzn1.i686
    clamav-0.100.2-2.35.amzn1.i686
    clamav-debuginfo-0.100.2-2.35.amzn1.i686
    clamav-db-0.100.2-2.35.amzn1.i686
    clamav-update-0.100.2-2.35.amzn1.i686
    clamd-0.100.2-2.35.amzn1.i686
    clamav-devel-0.100.2-2.35.amzn1.i686

noarch:
    clamav-filesystem-0.100.2-2.35.amzn1.noarch
    clamav-data-0.100.2-2.35.amzn1.noarch

src:
    clamav-0.100.2-2.35.amzn1.src

x86_64:
    clamav-lib-0.100.2-2.35.amzn1.x86_64
    clamav-milter-0.100.2-2.35.amzn1.x86_64
    clamav-db-0.100.2-2.35.amzn1.x86_64
    clamav-debuginfo-0.100.2-2.35.amzn1.x86_64
    clamd-0.100.2-2.35.amzn1.x86_64
    clamav-devel-0.100.2-2.35.amzn1.x86_64
    clamav-update-0.100.2-2.35.amzn1.x86_64
    clamav-0.100.2-2.35.amzn1.x86_64