CB TAU Threat Intelligence Notification: HopLight Campaign (Linked to North Korea) is Reusing Substantial Amount of Code

On April 10, 2019 the US Department of Homeland Security DHS released a Malware Analysis Report MAR-10135536-8 which detailed the trojan HopLight. HopLight has been linked to different North Korean DPRK campaigns also known as the Lazarus Group. The CB Threat Analysis Unit TAU has continued to...

Long Range Zip Denial of Service Vulnerability (CNVD-2019-14257)

Long Range Zip a.k.a. lrzip is an open source compression utility for large file compression.LZO is one of the lossless data compression algorithms used in... A security vulnerability exists in the 'lzo1xdecompress' function in the liblzo2.so.2 file of LZO version 2.10 used in lrzip version 0.631...

[SECURITY] Fedora 24 Update: bzip2-1.0.6-21.fc24

Bzip2 is a freely available, patent-free, high quality data compressor. Bzip2 compresses files to within 10 to 15 percent of the capabilities of the best techniques available. However, bzip2 has the added benefit of being approximately two times faster at compression and six times faster at...

[SECURITY] Fedora 24 Update: libpng-1.6.27-1.fc24

The libpng package contains a library of functions for creating and manipulating PNG Portable Network Graphics image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng...

[SECURITY] Fedora 25 Update: libpng-1.6.27-1.fc25

The libpng package contains a library of functions for creating and manipulating PNG Portable Network Graphics image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng...

7zip HFS+ NArchive::NHfs::CHandler::ExtractZlibFile Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0093 7zip HFS+ NArchive::NHfs::CHandler::ExtractZlibFile Code Execution Vulnerability May 10, 2016 CVE Number CVE-2016-2334 DESCRIPTION An exploitable heap overflow vulnerability exists in the NArchive::NHfs::CHandler::ExtractZlibFile method functionality of...

CVE-2016-1931

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data...

Memory corruption

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data...

CVE-2016-1931

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data...

CVE-2016-1931: Improper Restriction of Operations within the Bounds of a Memory Buffer

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data...

CVE-2016-1931

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service memory corruption and application crash or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data...

[SECURITY] Fedora 23 Update: libpng-1.6.17-3.fc23

The libpng package contains a library of functions for creating and manipulating PNG Portable Network Graphics image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng...

ACE Files

ACE is a data compression format used for archiving, which consists of blocks of various types and sizes. An attacker may use the compressed ACE format in order to bypass inspection by network security devices, which will not be able to inspect the original content that is being transferred...

[SECURITY] Fedora 19 Update: lzo-2.08-1.fc19

LZO is a portable lossless data compression library written in ANSI C. It offers pretty fast compression and very fast decompression. Decompression requires no memory. In addition there are slower compression levels achieving a quite competitive compression ratio while still decompressing at this...

USN-2300-1: LZO vulnerability

Don A. Bailey discovered that LZO incorrectly handled certain input data. An attacker could use this issue to cause LZO to crash, resulting in a denial of service, or possibly execute arbitrary code...

Upload the file of trap II pure alphanumeric. swf is a vulnerability?- Vulnerability warning-the black bar safety net

0x00 background In a previous uploaded file trap , the author mentioned for flash cross-domain data hijacking,sometimes does not need us to upload a file. Because we can simply use the JSONP interface,the flash content is assigned to the callback to be used. Just like in the comments@Sogili...

[SECURITY] Fedora 20 Update: lzo-2.08-1.fc20

LZO is a portable lossless data compression library written in ANSI C. It offers pretty fast compression and very fast decompression. Decompression requires no memory. In addition there are slower compression levels achieving a quite competitive compression ratio while still decompressing at this...

20-Year Old Vulnerability Patched in Compression Algorithm

A 20-year old vulnerability in the Lempel-Ziv-Oberhumer LZO compression algorithm – used in some Android phones, the Linux kernel, and even Mars Rovers – was finally patched this week. Code stemming from the algorithm’s library function has existed in the wild for two decades, but was recycled ov...

USN-2190-1: JBIG-KIT vulnerability

Florian Weimer discovered that JBIG-KIT incorrectly handled certain malformed images. If a user or automated system were tricked into processing a specially crafted image, JBIG-KIT could be made to crash, or possibly execute arbitrary code...

BREACH decodes HTTPS encrypted data in 30 seconds

A new hacking technique dubbed BREACH can extract login tokens, session ID numbers and other sensitive information from SSL/TLS encrypted web traffic in just 30 seconds. The technique was demonstrated at the Black Hat security conference in Las Vegas Presentation PDF & Paper by Gluck along with...