Multiple CPUs - Information Leak Using Speculative Execution

== INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a modern Linux kernel, can leak around 2000 bytes per...

MGASA-2018-0035 Updated gdb packages fix security vulnerability

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service CVE-2016-4491, CVE-2016-6131...

Updated gdb packages fix security vulnerability

It was discovered that gdb incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service CVE-2016-4491, CVE-2016-6131...

MGASA-2018-0034 Updated gdb packages fix security vulnerability

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

Updated gdb packages fix security vulnerability

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

See my how-to the Apache fuzzing and dig to a value of 1500 knife of vulnerability-vulnerability warning-the black bar safety net

Target In the AFL in the view of the Apache httpd server's crash logs, I found a lot of problems. For example, some crash testing with example in fuzz testing tools internal collapse, but also affect the test program stability. In this article, I will talk to you to explain the test case to crash...

USN-3367-1: gdb vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacke...

Ubuntu: Security Advisory (USN-3367-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 14.04 LTS / 16.04 LTS : gdb vulnerabilities (USN-3367-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3367-1 advisory. Hanno Bck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricke...

USN-3367-1: gdb vulnerabilities

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

USN-3367-1 gdb vulnerabilities

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

LibTIFF - 'tif_dirwrite.c' Denial of Service

Source: http://bugzilla.maptools.org/showbug.cgi?id=2712 Triggered by "./tiffset POC1" $ ./tiffset POC1 TIFFReadDirectory: Warning, Unknown field with tag 302 0x12e encountered. TIFFReadDirectory: Warning, Unknown field with tag 61961 0xf209 encountered. poc3: AdobeDeflate compression support is...

CVE-2017-9778

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

Design/Logic Flaw

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

CVE-2017-9778

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

CVE-2017-9778

CVE-2017-9778 affects GNU Debugger (GDB) 8.0 and earlier. A malformed DWARF/ELF section can cause GDB to repeatedly allocate memory, potentially exhausting process limits and hindering malware analysis. Connected sources confirm the vulnerability in GDB’s handling of DWARF sections in ELF binarie...

CVE-2017-9778

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

CVE-2017-9778: Improper Input Validation

GNU Debugger GDB 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB...

GDB Exploit Development & Reverse Engineering: pwndbg

GDB Exploit Development & Reverse Engineering pwndbg /poʊndbæg/ is a GDB plug-in that makes debugging with GDB suck less, with a focus on features needed by low-level software developers, hardware hackers, reverse-engineers and exploit developers. Vanilla GDB is terrible to use for reverse...

Based on jemalloc Android exploit skills----CENSUS-bug warning-the black bar safety net

Background description jemalloc-related research argp and huku in 2012 in Phrack published on: jemalloc memory allocator a separate use of themade-based on FreeBSD libc POC. argp and huku in 2012 BlackHat published: in Firefo play bad jemalloc metadata. argp in 2015 INFILTRATE on jemalloc exploit...