Vulnerability Walkthrough: 7zip CVE-2016-2334 HFS+ Code Execution Vulnerability

This blog post was authored by Marcin Noga of Cisco Talos.IntroductionIn 2016 Talos released an advisory for CVE-2016-2334, which was a remote code execution vulnerability affecting certain versions of 7zip, a popular compression utility. In this blog post we will walk through the process of...

7zip HFS+ NArchive::NHfs::CHandler::ExtractZlibFile Code Execution Vulnerability(CVE-2016-2334)

DESCRIPTION An exploitable heap overflow vulnerability exists in the NArchive::NHfs::CHandler::ExtractZlibFile method functionality of 7zip that can lead to arbitrary code execution. TESTED VERSIONS 7-Zip 32 15.05 beta 7-Zip 64 9.20 PRODUCT URLS http://www.7-zip.org/ CVSSv3 SCORE 7.3 -...

7zip UDF CInArchive::ReadFileItem Code Execution Vulnerability(CVE-2016-2335)

Summary An out of bound read vulnerability exists in the CInArchive::ReadFileItem method functionality of 7zip for handling UDF files that can lead to denial of service or code execution. Tested Versions 7-Zip 32 15.05 beta 7-Zip 64 9.20 Product URLs http://www.7-zip.org/ Details...

Libarchive 7zip read_SubStreamsInfo Code Execution Vulnerability(CVE-2016-4300)

SUMMARY An exploitable \heap overflow vulnerability exists in the 7zip readSubStreamsInfo functionality of libarchive. A specially crafted 7zip file can cause a integer overflow resulting in memory corruption that can lead to code execution. An attacker can send a malformed file to trigger this...

Archive Cryptography: unarcrypto

Archive Cryptography unarcrypto.py is an educational tool to depict the use of cryptography for password verification, headers and content encryption by popular archivers: zip, 7zip, rar v3 and v5. Supported archives format, encryption and compression algorithms: zip password protected or not,...

USN-3225-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. CVE-2016-5418 Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled...

CVE-2016-8689

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

CVE-2016-8689

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

Out-of-bounds

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

CVE-2016-8689

CVE-2016-8689 affects libarchive 3.2.1, where the read_Header function in archive_read_support_format_7zip.c allows an out-of-bounds read via multiple EmptyStream attributes in a 7zip header, leading to denial of service. Public docs confirm this as a libarchive vulnerability and cite affected ve...

CVE-2016-8689

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

CVE-2016-8689

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

CVE-2016-8689

The readHeader function in archivereadsupportformat7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service out-of-bounds read via multiple EmptyStream attributes in a header in a 7zip archive...

Heap overflow

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image...

CVE-2016-2334

The CVE-2016-2334 issue affects 7-Zip (and p7zip) before version 16.00. A heap-based overflow in NArchive::NHfs::CHandler::ExtractZlibFile can allow remote code execution via a crafted HFS+ image. Remediation observed in connected advisories is to upgrade to 16.02 (or newer) to fix CVE-2016-2334/...