Dissecting One of APT29’s Fileless WMI and PowerShell Backdoors (POSHSPY)

Mandiant has observed APT29 using a stealthy backdoor that we call POSHSPY. POSHSPY leverages two of the tools the group frequently uses: PowerShell and Windows Management Instrumentation WMI. In the investigations Mandiant has conducted, it appeared that APT29 deployed POSHSPY as a secondary...

Dissecting One of APT29’s Fileless WMI and PowerShell Backdoors (POSHSPY)

Mandiant has observed APT29 using a stealthy backdoor that we call POSHSPY. POSHSPY leverages two of the tools the group frequently uses: PowerShell and Windows Management Instrumentation WMI. In the investigations Mandiant has conducted, it appeared that APT29 deployed POSHSPY as a secondary...

CVE-2017-2474

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged...

CVE-2017-2474

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged...

Code injection

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged...

CVE-2017-2474

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged...

CVE-2017-2474: Undefined Security Weakness

An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "Kernel" component. An off-by-one error allows attackers to execute arbitrary code in a privileged...

Buffer overflow

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

UBUNTU-CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

DEBIAN-CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

UBUNTU-CVE-2017-7300

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that is vulnerable to a heap-based buffer over-read off-by-one because of an incomplete check for invalid string offsets while loading symbols, leading to a GN...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301

CVE-2017-7301 is a concrete vulnerability in GNU Binutils (libbfd). The aout_link_add_symbols function in bfd/aoutx.h has an off-by-one error in checking string offsets, which can cause the GNU linker (ld) to crash. Connected Nessus/Red Hat entries reference unpatched Binutils in various RHEL rel...

CVE-2017-7301

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

CVE-2017-7301: Improper Input Validation

The Binary File Descriptor BFD library aka libbfd, as distributed in GNU Binutils 2.28, has an aoutlinkaddsymbols function in bfd/aoutx.h that has an off-by-one vulnerability because it does not carefully check the string offset. The vulnerability could lead to a GNU linker ld program crash...

PT-2017-17647

Name of the Vulnerable Software and Affected Versions GNU Binutils version 2.28 Description The Binary File Descriptor library has an off-by-one vulnerability in the aout link add symbols function due to insufficient string offset checking. This issue could cause the GNU linker program to crash...