Monitoring Windows Console Activity (Part 2)

This is the second of two blogs that discuss the implementation of the Windows console architecture from years past, with a primary focus on the current implementation present on modern versions of Windows. Read our first blog, "Monitoring Windows Console Activity Part 1," for more. Capturing the...

The vulnerability of the Android CAF-release operating system, which stems from insufficient validation of input data, allows attackers to bypass proper validation of supervisor function arguments.

The vulnerability of the Android CAF-release operating system exists due to insufficient checking of input data. Exploiting this vulnerability allows a remote attacker to improperly validate the arguments of the supervisor function...

BSA-2017-358

Security Advisory ID : BSA-2017-358 Component : Offset2lib Patch Protection Bypass Revision : 2.0: Interim The offset2lib patch as used in the Linux Kernel contains a vulnerability that allows a PIE binary to beexecve'edwith 1GB of arguments or environmental strings then the stack occupies the...

CVE-2016-5872

In all Qualcomm products with Android releases from CAF using the Linux kernel, arguments to several QTEE syscalls are not properly validated...

Microsoft Edge Chakra - Uninitialized Arguments (2) Exploit

Exploit for windows platform in category dos / poc void Parser::ParseFncFormalsParseNodePtr pnodeFnc, ParseNodePtr pnodeParentFnc, ushort flags ... if IsES6DestructuringEnabled && IsPossiblePatternStart ... // Instead of passing the STFormal all the way on many methods, it seems it is better to...

Do the Police Need a Search Warrant to Access Cell Phone Location Data?

The US Supreme Court is deciding a case that will establish whether the police need a warrant to access cell phone location data. This week I signed on to an amicus brief from a wide array of security technologists outlining the technical arguments as why the answer should be yes. Susan Landau...

Microsoft Edge: Chakra: Uninitialized arguments(CVE-2017-8640)

Here's a snippet of "ParseVariableDeclaration" which is used for parsing declarations. template ParseNodePtr Parser::ParseVariableDeclaration tokens declarationType, charcountt ichMin, BOOL fAllowIn/ = TRUE/, BOOL pfForInOk/ = nullptr/, BOOL singleDefOnly/ = FALSE/, BOOL allowInit/ = TRUE/, BOOL...

Microsoft Edge Chakra Parser::ParseFncFormals Uninitialized Arguments

Microsoft Edge: Chakra: Uninitialized arguments 2 CVE-2017-8670 Similar to the issue 1297 . But this time, it happends in "Parser::ParseFncFormals" with the "PNodeFlags::fpnArgumentsoverriddenInParam" flag. template void Parser::ParseFncFormalsParseNodePtr pnodeFnc, ParseNodePtr pnodeParentFnc,...

Microsoft Edge Chakra Uninitialized Arguments

Microsoft Edge: Chakra: Uninitialized arguments CVE-2017-8640 Here's a snippet of "ParseVariableDeclaration" which is used for parsing declarations. template ParseNodePtr Parser::ParseVariableDeclaration tokens declarationType, charcountt ichMin, BOOL fAllowIn/ = TRUE/, BOOL pfForInOk/ = nullptr/...

Microsoft Edge Chakra - Uninitialized Arguments (2)

Microsoft Edge Chakra - Uninitialized Arguments 2 void Parser::ParseFncFormalsParseNodePtr pnodeFnc, ParseNodePtr pnodeParentFnc, ushort flags ... if IsES6DestructuringEnabled && IsPossiblePatternStart ... // Instead of passing the STFormal all the way on many methods, it seems it is better to...

Microsoft Edge Chakra - Uninitialized Arguments (1)

Microsoft Edge Chakra - Uninitialized Arguments 1 ParseNodePtr Parser::ParseVariableDeclaration tokens declarationType, charcountt ichMin, BOOL fAllowIn/ = TRUE/, BOOL pfForInOk/ = nullptr/, BOOL singleDefOnly/ = FALSE/, BOOL allowInit/ = TRUE/, BOOL isTopVarParse/ = TRUE/, BOOL isFor/ = FALSE/,...

Microsoft Edge Chakra Parser::ParseFncFormals Uninitialized Arguments Exploit

Microsoft Edge Chakra suffers from an uninitialized arguments vulnerability in Parser::ParseFncFormals with the "PNodeFlags::fpnArgumentsoverriddenInParam" flag. Microsoft Edge: Chakra: Uninitialized arguments 2 CVE-2017-8670 Similar to the issue 1297 . But this time, it happends in...

Microsoft Edge Chakra Uninitialized Arguments Exploit

Microsoft Edge Chakra suffers from an uninitialized arguments vulnerability. Microsoft Edge: Chakra: Uninitialized arguments CVE-2017-8640 Here's a snippet of "ParseVariableDeclaration" which is used for parsing declarations. template ParseNodePtr Parser::ParseVariableDeclaration tokens...

Microsoft Edge: Chakra: Uninitialized arguments 2(CVE-2017-8670)

Similar to the issue 1297 . But this time, it happends in "Parser::ParseFncFormals" with the "PNodeFlags::fpnArgumentsoverriddenInParam" flag. template void Parser::ParseFncFormalsParseNodePtr pnodeFnc, ParseNodePtr pnodeParentFnc, ushort flags ... if IsES6DestructuringEnabled &&...

Microsoft Edge Chakra - Uninitialized Arguments (1)

ParseNodePtr Parser::ParseVariableDeclaration tokens declarationType, charcountt ichMin, BOOL fAllowIn/ = TRUE/, BOOL pfForInOk/ = nullptr/, BOOL singleDefOnly/ = FALSE/, BOOL allowInit/ = TRUE/, BOOL isTopVarParse/ = TRUE/, BOOL isFor/ = FALSE/, BOOL nativeForOk /= nullptr/ ... if pid ==...

Microsoft Edge Chakra - Uninitialized Arguments (2)

void Parser::ParseFncFormalsParseNodePtr pnodeFnc, ParseNodePtr pnodeParentFnc, ushort flags ... if IsES6DestructuringEnabled && IsPossiblePatternStart ... // Instead of passing the STFormal all the way on many methods, it seems it is better to change the symbol type afterward. for ParseNodePtr...

The return of Mamba ransomware

At the end of 2016, there was a major attack against San Francisco's Municipal Transportation Agency. The attack was done using Mamba ransomware. This ransomware uses a legitimate utility called DiskCryptor for full disk encryption. This month, we noted that the group behind this ransomware has...

Ubuntu 16.04 LTS : Linux kernel (HWE) kernel vulnerabilities (USN-3371-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3371-1 advisory. It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive...

smb2-time NSE Script

Attempts to obtain the current system date and the start date of a SMB2 server. Script Arguments randomseed, smbbasic, smbport, smbsign See the documentation for the smb library. smbdomain, smbhash, smbnoguest, smbpassword, smbtype, smbusername See the documentation for the smbauth library. Examp...

WebKit: JSC: Incorrect LoadVarargs handling in ArgumentsEliminationPhase::transform(CVE-2017-7056)

Here is a snippet of ArgumentsEliminationPhase::transform case LoadVarargs: ... if candidate-op == PhantomNewArrayWithSpread || candidate-op == PhantomSpread ... if argumentCountIncludingThis limit storeArgumentCountIncludingThisargumentCountIncludingThis; // store arguments ... node-remove;...