Threat Analysis: Recent Attack Technique Leveraging cmd.exe and PowerShell Demonstrates How Attackers Are Using Trusted Microsoft Applications for Malicious Behavior

An attack leveraging cmd.exe and PowerShell was recently investigated by Cb ThreatSight analysts. Our initial investigation discovered that a batch file was executed on the targeted system. This batch file then invoked PowerShell with a base64 encoded command. Decoding the command revealed a seri...

FortiWeb Recursive URL Decoding is not enabled by default

FortiWeb's "Recursive URL Decoding" feature can detect URL-based attacks among which XSS and SQL injection attempts even when the malicious URL is recursively encoded. However, this feature is not enabled by default in FortiWeb's system settings for FortiWeb version 6.0.0 and below...

Picking Apart Remcos Botnet-In-A-Box

This blog post was authored by Edmund Brumaghin and Holger Unterbrink with contributions from Eric Kuhla and Lilia Gonzalez Medina. Overview Cisco Talos has recently observed multiple campaigns using the Remcos remote access tool RAT that is offered for sale by a company called Breaking Security...

Hardcoded credentials

apps/filemanager/handlers/upload/drop.php in Elefant CMS 2.0.3 performs a urldecode step too late in the "Cannot upload executable files" protection mechanism...

The vulnerability of the IKE protocol implementation in Cisco IOS and Cisco IOS XE operating systems allows attackers to gain access to protected information.

The vulnerability of the IKE protocol’s implementation in Cisco IOS and Cisco IOS XE operating systems is related to decoding errors in traffic. Exploiting this vulnerability can allow a malicious actor to gain access to session keys and decode traffic by sending specially crafted data packets to...

The vulnerability of the IKE protocol implementation in ZyXEL USG, ZyXEL USG VPN, ZyWALL, and ZyWALL VPN devices allows attackers to gain access to protected information.

The vulnerability of the IKE protocol in network devices such as ZyXEL USG, ZyXEL USG VPN, ZyWALL, and ZyWALL VPN relates to decoding errors in traffic. Exploiting this vulnerability can allow a malicious actor, operating remotely, to gain access to protected information...

WebRTC - VP8 Block Decoding Use-After-Free Exploit

Exploit for multiple platform in category dos / poc There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc...

Null pointer dereference

A NULL pointer dereference flaw was found in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image...

UBUNTU-CVE-2016-9572

A NULL pointer dereference flaw was found in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image...

DEBIAN-CVE-2016-9572

A NULL pointer dereference flaw was found in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image...

CVE-2016-9572

A NULL pointer dereference flaw was found in the way openjpeg 2.1.2 decoded certain input images. Due to a logic error in the code responsible for decoding the input image, an application using openjpeg to process image data could crash when processing a crafted image...

WebRTC - VP8 Block Decoding Use-After-Free

WebRTC - VP8 Block Decoding Use-After-Free There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp...

WebRTC - VP8 Block Decoding Use-After-Free

There is a use-after-free in VP8 block decoding in WebRTC. The contents of the freed block is then treated a pointer, leading to a crash in WebRTC. ==20098==ERROR: AddressSanitizer: heap-use-after-free on address 0x6330000a9491 at pc 0x0000014cde2f bp 0x7ff20616d7e0 sp 0x7ff20616d7d8 READ of size...

CVE-2016-8622

CVE-2016-8622 affects curl/libcurl’s URL percent-encoding decode path. The curl_easy_unescape function may allocate a destination buffer larger than 2 GB but store the result length in a signed 32‑bit int, causing length truncation or negative values. This can lead to writing outside the heap. Pu...

CVE-2017-7482

In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and...

PT-2018-1525

Name of the Vulnerable Software and Affected Versions Modicon M221 versions prior to V1.6.2.0 Description A Permissions, Privileges, and Access Control issue exists, allowing unauthorized users to decode passwords using a rainbow table. This could enable a remote attacker to exploit the...

Buffer Overflow

libcurl.so is vulnerable to buffer overflows. The application does not properly allocate memory when decoding URL percent-encoding, allowing a malicious user to send a large URL to cause a buffer overflow, crash the application or causing arbitrary code to be executed...

UBUNTU-CVE-2018-13348

The mpatchdecode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001...

PYSEC-2018-90

The mpatchdecode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001...

DEBIAN-CVE-2018-13301

In FFmpeg 4.0.1, due to a missing check of a profile value before setting it, the ffmpeg4decodepictureheader function in libavcodec/mpeg4videodec.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service...