This update for clamav fixes the following issues: Security issues fixed :

  - CVE-2012-6706: VMSF_DELTA filter inside the unrar     implementation allows an arbitrary memory write     (bsc#1045315).

  - CVE-2017-6419: A heap-based buffer overflow that can     lead to a denial of service in libmspack via a crafted     CHM file (bsc#1052449).

  - CVE-2017-11423: A stack-based buffer over-read that can     lead to a denial of service in mspack via a crafted CAB     file (bsc#1049423).

  - CVE-2018-1000085: An out-of-bounds heap read     vulnerability was found in XAR parser that can lead to a     denial of service (bsc#1082858).

  - CVE-2018-0202: Fixed two vulnerabilities in the PDF     parsing code (bsc#1083915).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for clamav fixes the following issues :

  - Update to security release 0.99.3 (bsc#1077732)

  - CVE-2017-12376 (ClamAV Buffer Overflow in handle_pdfname     Vulnerability)

  - CVE-2017-12377 (ClamAV Mew Packet Heap Overflow     Vulnerability)

  - CVE-2017-12379 (ClamAV Buffer Overflow in     messageAddArgument Vulnerability)

  - these vulnerabilities could have allowed an     unauthenticated, remote attacker to cause a denial of     service (DoS) condition or potentially execute arbitrary     code on an affected device.

  - CVE-2017-12374 (ClamAV use-after-free Vulnerabilities)

  - CVE-2017-12375 (ClamAV Buffer Overflow Vulnerability)

  - CVE-2017-12378 (ClamAV Buffer Over Read Vulnerability)

  - CVE-2017-12380 (ClamAV Null Dereference Vulnerability)

  - these vulnerabilities could have allowed an     unauthenticated, remote attacker to cause a denial of     service (DoS) condition on an affected device.

  - CVE-2017-6420 (bsc#1052448)

  - this vulnerability could have allowed remote attackers     to cause a denial of service (use-after-free) via a     crafted PE file with WWPack compression.

  - CVE-2017-6419 (bsc#1052449)

  - ClamAV could have allowed remote attackers to cause a     denial of service (heap-based buffer overflow and     application crash) or possibly have unspecified other     impact via a crafted CHM file.

  - CVE-2017-11423 (bsc#1049423)

  - ClamAV could have allowed remote attackers to cause a     denial of service (stack-based buffer over-read and     application crash) via a crafted CAB file.

  - CVE-2017-6418 (bsc#1052466)

  - ClamAV could have allowed remote attackers to cause a     denial of service (out-of-bounds read) via a crafted     e-mail message.

  - update upstream keys in the keyring

  - provide and obsolete clamav-nodb to trigger it's removal     in Leap bsc#1040662

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7788-1 advisory.

    Jakub Wilk discovered that libmspack did not correctly handle certain integer operations and bounds     checking. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2015-4467,     CVE-2015-4468, CVE-2015-4469, CVE-2015-4472)

    It was discovered that libmspack incorrectly handled certain malformed CAB files. A remote attacker could     use this issue to cause libmspack to crash, resulting in a denial of service. (CVE-2017-11423)

    It was discovered that libmspack incorrectly handled certain malformed CHM files. A remote attacker could     use this issue to cause libmspack to crash, resulting in a denial of service, or possibly execute     arbitrary code. (CVE-2017-6419)

    Hanno Bck discovered that libmspack incorrectly handled certain CHM files. An attacker could possibly     use this issue to cause a denial of service. (CVE-2018-14679, CVE-2018-14680)

    Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. An attacker could possibly     use this issue to execute arbitrary code. (CVE-2018-14681)

    Dmitry Glavatskikh discovered that libmspack incorrectly handled certain CHM files. An attacker could     possibly use this issue to execute arbitrary code. (CVE-2018-14682)

    It was discovered libmspack incorrectly handled certain malformed CAB files. A remote attacker could use     this issue to cause libmspack to crash, resulting in a denial of service. (CVE-2018-18585)

    It was discovered that libmspack incorrectly handled certain CHM files. A remote attacker could possibly     use this issue to access sensitive information. (CVE-2019-1010305)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the libmspack package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - chmd_read_headers in mspack/chmd.c in libmspack before     0.8alpha accepts a filename that has '\0' as its first     or second character (such as the '/\0'     name).(CVE-2018-18585)

  - The cabd_read_string function in mspack/cabd.c in     libmspack 0.5alpha, as used in ClamAV 0.99.2 and other     products, allows remote attackers to cause a denial of     service (stack-based buffer over-read and application     crash) via a crafted CAB file.(CVE-2017-11423)

  - mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV     0.99.2, allows remote attackers to cause a denial of     service (heap-based buffer overflow and application     crash) or possibly have unspecified other impact via a     crafted CHM file.(CVE-2017-6419)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the libmspack package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - chmd_read_headers in mspack/chmd.c in libmspack before     0.8alpha accepts a filename that has '\0' as its first     or second character (such as the '/\0'     name).(CVE-2018-18585)

  - ** DISPUTED ** chmextract.c in the chmextract sample     program, as distributed with libmspack before 0.8alpha,     does not protect against absolute/relative pathnames in     CHM files, leading to Directory Traversal. NOTE: the     vendor disputes that this is a libmspack vulnerability,     because chmextract.c was only intended as a source-code     example, not a supported application.(CVE-2018-18586)

  - The cabd_read_string function in mspack/cabd.c in     libmspack 0.5alpha, as used in ClamAV 0.99.2 and other     products, allows remote attackers to cause a denial of     service (stack-based buffer over-read and application     crash) via a crafted CAB file.(CVE-2017-11423)

  - mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV     0.99.2, allows remote attackers to cause a denial of     service (heap-based buffer overflow and application     crash) or possibly have unspecified other impact via a     crafted CHM file.(CVE-2017-6419)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Security fix for CVE-2017-6419 and CVE-2017-11423

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for clamav fixes the following issues :

  - Update to security release 0.99.3 (bsc#1077732)

  - CVE-2017-12376 (ClamAV Buffer Overflow in handle_pdfname     Vulnerability)

  - CVE-2017-12377 (ClamAV Mew Packet Heap Overflow     Vulnerability)

  - CVE-2017-12379 (ClamAV Buffer Overflow in     messageAddArgument Vulnerability)

  - these vulnerabilities could have allowed an     unauthenticated, remote attacker to cause a denial of     service (DoS) condition or potentially execute arbitrary     code on an affected device.

  - CVE-2017-12374 (ClamAV use-after-free Vulnerabilities)

  - CVE-2017-12375 (ClamAV Buffer Overflow Vulnerability)

  - CVE-2017-12378 (ClamAV Buffer Over Read Vulnerability)

  - CVE-2017-12380 (ClamAV Null Dereference Vulnerability)

  - these vulnerabilities could have allowed an     unauthenticated, remote attacker to cause a denial of     service (DoS) condition on an affected device.

  - CVE-2017-6420 (bsc#1052448)

  - this vulnerability could have allowed remote attackers     to cause a denial of service (use-after-free) via a     crafted PE file with WWPack compression.

  - CVE-2017-6419 (bsc#1052449)

  - ClamAV could have allowed remote attackers to cause a     denial of service (heap-based buffer overflow and     application crash) or possibly have unspecified other     impact via a crafted CHM file.

  - CVE-2017-11423 (bsc#1049423)

  - ClamAV could have allowed remote attackers to cause a     denial of service (stack-based buffer over-read and     application crash) via a crafted CAB file.

  - CVE-2017-6418 (bsc#1052466)

  - ClamAV could have allowed remote attackers to cause a     denial of service (out-of-bounds read) via a crafted     e-mail message.

  - update upstream keys in the keyring

  - provide and obsolete clamav-nodb to trigger it's removal     in Leap bsc#1040662

This update was imported from the SUSE:SLE-12:Update update project.

Update to 0.99.4

0.99.4 addresses a few outstanding vulnerability bugs. It includes fixes for :

  - CVE-2012-6706

  - CVE-2017-6419

  - CVE-2017-11423 

  - CVE-2018-1000085 

There are also a few bug fixes that were not assigned CVE&rsquo;s, but were important enough to address while we had the chance. One of these was the notorious file descriptor exhaustion bug that caused outages late last January.

In addition to the above, 0.99.4 fixes :

  - CVE-2018-0202: Two newly reported vulnerabilities in the     PDF parsing code.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is affected by the vulnerability described in GLSA-201804-16 (ClamAV: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in ClamAV. Please review       the CVE identifiers referenced below for details.
  Impact :

    A remote attacker, through multiple vectors, could execute arbitrary       code, cause a Denial of Service condition, or have other unspecified       impacts.
  Workaround :

    There is no known workaround at this time.

An update of the libmspack package has been released.

Heap-based buffer overflow in mspack/lzxd.c

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file. (CVE-2017-6419)

Out-of-bounds access in the PDF parser (CVE-2018-0202)

A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to arbitrary code execution. An integer overflow can be caused in DataSize+CurChannel. The result is a negative value of the 'DestPos' variable, which allows the attacker to write out of bounds when setting Mem[DestPos]. (CVE-2012-6706)

ClamAV version version 0.99.3 contains a Out of bounds heap memory read vulnerability in XAR parser, function xar_hash_check() that can result in Leaking of memory, may help in developing exploit chains..
This attack appear to be exploitable via The victim must scan a crafted XAR file. (CVE-2018-1000085)

Stack-based buffer over-read in cabd_read_string function

The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file. (CVE-2017-11423)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other     products, allows remote attackers to cause a denial of service (stack-based buffer over-read and     application crash) via a crafted CAB file. (CVE-2017-11423)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
108829	SUSE SLES11 Security Update : clamav (SUSE-SU-2018:0863-1)	Nessus	SuSE Local Security Checks	2018/4/4	2024/11/21	critical
106456	SUSE SLED12 / SLES12 Security Update : clamav (SUSE-SU-2018:0255-1)	Nessus	SuSE Local Security Checks	2018/1/29	2025/10/31	critical
266398	Ubuntu 14.04 LTS : libmspack vulnerabilities (USN-7788-1)	Nessus	Ubuntu Local Security Checks	2025/10/2	2025/10/2	high
131608	EulerOS 2.0 SP2 : libmspack (EulerOS-SA-2019-2454)	Nessus	Huawei Local Security Checks	2019/12/4	2024/4/8	high
131808	EulerOS 2.0 SP5 : libmspack (EulerOS-SA-2019-2534)	Nessus	Huawei Local Security Checks	2019/12/9	2024/4/5	high
103437	Fedora 26 : libmspack (2017-982bfabc4e)	Nessus	Fedora Local Security Checks	2017/9/25	2025/11/20	high
106431	openSUSE Security Update : clamav (openSUSE-2018-102)	Nessus	SuSE Local Security Checks	2018/1/29	2025/10/31	critical
107169	Fedora 27 : clamav (2018-602b5345fa)	Nessus	Fedora Local Security Checks	2018/3/7	2025/10/27	critical
108311	Fedora 26 : clamav (2018-d2b08aa37f)	Nessus	Fedora Local Security Checks	2018/3/14	2025/2/4	critical
109230	GLSA-201804-16 : ClamAV: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2018/4/23	2024/10/29	critical
121862	Photon OS 1.0: Libmspack PHSA-2018-1.0-0167	Nessus	PhotonOS Local Security Checks	2019/2/7	2022/5/24	medium
203400	Photon OS 4.0: Libmspack PHSA-2023-4.0-0369	Nessus	PhotonOS Local Security Checks	2024/7/23	2024/7/23	high
105828	Fedora 27 : libmspack (2017-1af202a86b)	Nessus	Fedora Local Security Checks	2018/1/15	2025/11/6	high
108601	Amazon Linux AMI : clamav (ALAS-2018-976)	Nessus	Amazon Linux Local Security Checks	2018/3/27	2024/12/6	critical
220466	Linux Distros Unpatched Vulnerability : CVE-2017-11423	Nessus	Misc.	2025/3/4	2026/8/23	medium

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