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)

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).

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

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.

The remote host is running a version of McAfee Web Gateway (MWG) that is affected by multiple security vulnerabilities :

  - A memory corruption flaw exists in unrar before 5.5.5, as used in     Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other     products that allows remote attackers to execute arbitrary code.
    (CVE-2012-6706)

  - A memory corruption flaw exists in Linux Kernel versions 4.11.5     and earlier that allows remote attacks to execute arbitrary code     with elevated privileges.(CVE-2017-1000364)

  - A memory corruption flaw exists in the handling of LD_LIBRARY_PATH     that allows a remote attacker to manipulate the heap/stack that     may lead to arbitrary code execution. This issue only affects GNU     glibc 2.25 and prior. (CVE-2017-1000366)

  - An input validation flaw exists in Todd Miller's sudo version     1.8.20p1 and earlier that results in information disclosure and     arbitrary command execution. (CVE-2017-1000368)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
108601	Amazon Linux AMI : clamav (ALAS-2018-976)	Nessus	Amazon Linux Local Security Checks	2018/3/27	2024/12/6	critical
108637	openSUSE Security Update : clamav (openSUSE-2018-314)	Nessus	SuSE Local Security Checks	2018/3/27	2024/12/4	critical
108652	SUSE SLED12 / SLES12 Security Update : clamav (SUSE-SU-2018:0809-1)	Nessus	SuSE Local Security Checks	2018/3/27	2024/12/4	critical
102496	McAfee Web Gateway 7.6.x < 7.6.2.15 / 7.7.x < 7.7.2.3 Multiple Vulnerabilities (SB10205)	Nessus	Misc.	2017/8/15	2020/6/12	critical

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