Avast! - Out-of-Bounds Write Decrypting PEncrypt Packed executables

Avast! - Out-of-Bounds Write Decrypting PEncrypt Packed executables Source: https://code.google.com/p/google-security-research/issues/detail?id=554 The attached PEncrypt packed executable causes an OOB write on Avast Server Edition. gdb bt 0 0xf6f5e64a in EmulatePolyCodePOLYINFO, int from...

Avast! - Heap Overflow Unpacking MoleBox Archives

Source: https://code.google.com/p/google-security-research/issues/detail?id=552 Trivial fuzzing of molebox archives revealed a heap overflow decrypting the packed image in moleboxMaybeUnpack. This vulnerability is obviously exploitable for remote arbitrary code execution as NT AUTHORITY\SYSTEM. T...

Rar - CmdExtract::UnstoreFile Integer Truncation Memory Corruption

Source: https://code.google.com/p/google-security-research/issues/detail?id=550 The attached file crashes in CmdExtract::UnstoreFile because the signed int64 DestUnpSize is truncated to an unsigned 32bit integer. Perhaps CmdExtract::ExtractCurrentFile should sanity check Arc.FileHead.UnpSize earl...

Avast! - JetDb::Ised4x Performs Unbounded Search on Input

Avast! - JetDb::Ised4x Performs Unbounded Search on Input Source: https://code.google.com/p/google-security-research/issues/detail?id=551 The attached Microsoft Access Database causes JetDb::IsExploited4x to be called, which contains an unbounded search for objects. Proof of Concept:...

Avast! - Out-of-Bounds Write Decrypting PEncrypt Packed executables

Source: https://code.google.com/p/google-security-research/issues/detail?id=554 The attached PEncrypt packed executable causes an OOB write on Avast Server Edition. gdb bt 0 0xf6f5e64a in EmulatePolyCodePOLYINFO, int from /proc/self/cwd/defs/15092301/engine.so 1 0xf6f7d334 in...

Avast! - Integer Overflow Verifying numFonts in TTC Header

Avast! - Integer Overflow Verifying numFonts in TTC Header Source: https://code.google.com/p/google-security-research/issues/detail?id=549 If the numFonts field in the TTC header is greater than SIZEMAX+1 / 4, an integer overflow occurs in filevirusttf when calling CSafeGenFile::SafeLockBuffer. T...

Rar - CmdExtract::UnstoreFile Integer Truncation Memory Corruption

Rar - CmdExtract::UnstoreFile Integer Truncation Memory Corruption Source: https://code.google.com/p/google-security-research/issues/detail?id=550 The attached file crashes in CmdExtract::UnstoreFile because the signed int64 DestUnpSize is truncated to an unsigned 32bit integer. Perhaps...

Avast! - Integer Overflow Verifying numFonts in TTC Header

Source: https://code.google.com/p/google-security-research/issues/detail?id=549 If the numFonts field in the TTC header is greater than SIZEMAX+1 / 4, an integer overflow occurs in filevirusttf when calling CSafeGenFile::SafeLockBuffer. The TTC file format is described here...

Avast Antivirus X.509 Certificate Remote Code Execution Vulnerability

Avast Antivirus is a suite of antivirus programs. Avast Antivirus handles X.509 certificates with a security vulnerability that allows remote attackers to exploit the vulnerability to submit a special request to execute arbitrary code...

MacOS X 10.11 Hardlink Resource Exhaustion

/ MacOS X 10.11 hardlink bomb cause resource exhaustion Avast PoC Credit: Maksymilian Arciemowicz CXSECURITY Website: http://cxsecurity.com/ http://cert.cx/ Affected software: - Commands such as: zip, tar, find - AntiVirus: Avast, Eset32 Let's back to an old bug, which Apple does not patch until...

Avast-0 Directory Traversal Vulnerability

Avast is a suite of antivirus software from the Czech company Avast Avast. A directory traversal vulnerability exists in versions prior to Avast 150918-0. This allows remote attackers to delete or write arbitrary files via crafted entries in ZIP archives, deletion or writing...

CVE-2015-5662

Directory traversal vulnerability in Avast before 150918-0 allows remote attackers to delete or write to arbitrary files via a crafted entry in a ZIP archive...

Directory traversal

Directory traversal vulnerability in Avast before 150918-0 allows remote attackers to delete or write to arbitrary files via a crafted entry in a ZIP archive...

CVE-2015-5662

Directory traversal vulnerability in Avast before 150918-0 allows remote attackers to delete or write to arbitrary files via a crafted entry in a ZIP archive...

CVE-2015-5662

Avast Antivirus is affected by a directory traversal vulnerability (CVE-2015-5662) in how it processes ZIP archives. In affected builds prior to Virus Definition 150918-0, an unauthenticated remote attacker can craft a ZIP that, when processed, causes deletion or writing of arbitrary files on the...

Avast vulnerable to directory traversal

Overview Avast contains an issue in processing archive files, which may result in a directory traversal CWE-22 vulnerability. When an archive file such as zip is detected as containing a virus and the included virus file is being moved or deleted, the operation is done to the file path inside the...

JVN#25576608: Avast vulnerable to directory traversal

Avast contains an issue in processing archive files, which may result in a directory traversal CWE-22 vulnerability. When an archive file such as zip is detected as containing a virus and the included virus file is being moved or deleted, the operation is done to the file path inside the archive...

Antivirus Avast is exposed 0day vulnerabilities in users computer to execute malicious code-vulnerability warning-the black bar safety net

Google security expert Tavis Ormandy, found a Avast antivirus of 0day vulnerabilities, the vulnerabilities could lead to attackers invade a user's computer and the user computers to execute malicious code. Tavis Ormandy recently in the Avast antivirus found a serious 0day vulnerability. And just...

Avast! AntiVirus - X.509 Error Rendering Command Execution

Avast! AntiVirus - X.509 Error Rendering Command Execution Source: https://code.google.com/p/google-security-research/issues/detail?id=546 Avast will render the commonName of X.509 certificates into an HTMLLayout frame when your MITM proxy detects a bad signature. Unbelievably, this means...

Avast Antivirus X.509 Error Rendering Command Execution Exploit

Exploit for windows platform in category remote exploits Source: https://code.google.com/p/google-security-research/issues/detail?id=546 Avast will render the commonName of X.509 certificates into an HTMLLayout frame when your MITM proxy detects a bad signature. Unbelievably, this means...