CVE-2017-16832

CVE-2017-16832 affects the Binary File Descriptor library (libbfd) in GNU Binutils 2.29.1, specifically the pe_bfd_read_buildid function in peicode.h. The vulnerability arises because the data dictionary’s size and offset are not validated, which can be exploited by a crafted PE file to cause a d...

CVE-2017-16831

CVE-2017-16831 affects coffgen.c in the Binary File Descriptor (BFD) library as distributed in GNU Binutils 2.29.1. The symbol count is not validated, enabling a crafted PE file to cause a denial of service via integer overflow and application crash, or excessive memory allocation. This entry des...

CVE-2017-16826

CVE-2017-16826 affects GNU Binutils 2.29.1 (libbfd) via coff_slurp_line_table in coffcode.h. A crafted PE file can trigger an invalid memory access that may crash the application (DoS) and potentially other impact. The vulnerability is tied to the coff_slurp_line_table routine and the PE handling...

CVE-2017-16826

The coffslurplinetable function in coffcode.h in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29.1, allows remote attackers to cause a denial of service invalid memory access and application crash or possibly have unspecified other impact via a crafted PE fi...

CVE-2017-16831

coffgen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29.1, does not validate the symbol count, which allows remote attackers to cause a denial of service integer overflow and application crash, or excessive memory allocation or possibly have unspecified...

CVE-2017-16832

The pebfdreadbuildid function in peicode.h in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29.1, does not validate size and offset values in the data dictionary, which allows remote attackers to cause a denial of service segmentation violation and applicatio...

How to solve the Malwarebytes CrackMe: a step-by-step tutorial

The topic of this post is a Malwarebytes CrackMe—an exercise in malware analysis that I recently created. First, the challenge was created to serve internal purposes, but then it was released to the community on Twitter and triggered a lot of positive response. Thanks to all of you who sent in yo...

CVE-2017-14529

The peprintidata function in peXXigen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via a crafted PE file...

Security fix for the ALT Linux 9 package clamav version 0.99.2-alt3

Sept. 25, 2017 Anton V. Boyarshinov 0.99.2-alt3 - Fixes: + CVE-2017-6418 remote attackers can cause a denial of service out-of-bounds read via a crafted e-mail message + CVE-2017-6420 remote attackers can cause a denial of service use-after-free via a crafted PE file with WWPack compression...

Security fix for the ALT Linux 10 package clamav version 0.99.2-alt3

Sept. 25, 2017 Anton V. Boyarshinov 0.99.2-alt3 - Fixes: + CVE-2017-6418 remote attackers can cause a denial of service out-of-bounds read via a crafted e-mail message + CVE-2017-6420 remote attackers can cause a denial of service use-after-free via a crafted PE file with WWPack compression...

Security fix for the ALT Linux 8 package clamav version 0.99.2-alt3

Sept. 25, 2017 Anton V. Boyarshinov 0.99.2-alt3 - Fixes: + CVE-2017-6418 remote attackers can cause a denial of service out-of-bounds read via a crafted e-mail message + CVE-2017-6420 remote attackers can cause a denial of service use-after-free via a crafted PE file with WWPack compression...

CVE-2017-14529

The peprintidata function in peXXigen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via a crafted PE file...

CVE-2017-14529

The peprintidata function in peXXigen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via a crafted PE file...

CVE-2017-14529

The peprintidata function in peXXigen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via a crafted PE file...

CVE-2017-14529

The peprintidata function in peXXigen.c in the Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote attackers to cause a denial of service heap-based buffer over-read and application crash via a crafted PE file...

Binutils: Multiple vulnerabilities

Background The GNU Binutils are a collection of tools to create, modify and analyse binary files. Many of the files use BFD, the Binary File Descriptor library, to do low-level manipulation. Description Multiple vulnerabilities have been discovered in Binutils. Please review References for...

Monitoring Windows Console Activity (Part 1)

Introduction While performing incident response, Mandiant encounters attackers actively using systems on a compromised network. This activity often includes using interactive console programs via RDP such as the command prompt, PowerShell, and sometimes custom command and control C2 console tools...

MGASA-2017-0291 Updated clamav packages fix security vulnerabilities

It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service CVE-2017-6418. It was discovered that ClamAV incorrectly handled parsing certain PE files with WWPack...

Updated clamav packages fix security vulnerabilities

It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service CVE-2017-6418. It was discovered that ClamAV incorrectly handled parsing certain PE files with WWPack...

Ubuntu 14.04 LTS / 16.04 LTS : ClamAV vulnerabilities (USN-3393-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3393-1 advisory. It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause...