CVE-2017-17163

CVE-2017-17163 affects Huawei Secospace USG6600 (V500R001C30SPC100). It is an Out-of-Bounds memory access vulnerability caused by insufficient verification. An authenticated local attacker can crash the device by issuing certain commands, resulting in a denial of service. Documents confirm the af...

Microsoft Edge: Chakra: AsmJSByteCodeGenerator::EmitCall call handling bug(CVE-2018-0780)

AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls such as "arridx & ...". In these cases, the index register remains NoRegister which is...

Microsoft Edge: Chakra: JIT: Loop analysis bug(CVE-2018-0777)

Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3; optarr, 0, 100000; main; What happens here is as follows: I...

Microsoft Edge: Chakra: OOB read in AppendLeftOverItemsFromEndSegment(CVE-2018-0767)

Here's a snippet of AppendLeftOverItemsFromEndSegment in JavascriptArray.inl. growby = endSeg-length; current = current-GrowByMinrecycler, growby; CopyArraycurrent-elements + endIndex + 1, endSeg-length, Js::SparseArraySegmentendSeg-elements, endSeg-length;...

Microsoft Edge: Chakra: JIT: Incorrect bounds calculation(CVE-2018-0769)

Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' + 2. That part has been done above. Similarly, the value of...

Microsoft Edge Chakra AsmJSByteCodeGenerator::EmitCall Call Handling

Microsoft Edge: Chakra: AsmJSByteCodeGenerator::EmitCall call handling bug CVE-2018-0780 AsmJSByteCodeGenerator::EmitCall which is used to emit call insturctions doesn't check if an array identifier is used as callee. The method handles those invalid calls in the same way it handles valid calls...

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation Exploit

Exploit for windows platform in category dos / poc / Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' + 2...

Microsoft Edge Chakra JIT - Out-of-Bounds Write Exploit

Exploit for windows platform in category dos / poc // Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3; optar...

Microsoft Edge Chakra JIT Loop Analysis Bug

Microsoft Edge: Chakra: JIT: Loop analysis bug CVE-2018-0777 Here's the PoC demonstrating OOB write. function optarr, start, end for let i = start; i end; i++ if i === 10 i += 0; // -- a arri = 2.3023e-320; function main let arr = new Array100; arr.fill1.1; for let i = 0; i 1000; i++ optarr, 0, 3...

Microsoft Edge Chakra JIT Incorrect Bounds Calculation

Microsoft Edge: Chakra: JIT: Incorrect bounds calculation CVE-2018-0769 Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the...

SUSE SLES12 Security Update : openssl (SUSE-SU-2018:0112-1)

This update for openssl fixes the following issues: Security issues fixed : - CVE-2016-7056: ECSDA P-256 timing attack key recovery bsc1019334 - CVE-2017-3731: Truncated packet could crash via OOB read bsc1022085 - CVE-2016-8610: remote denial of service in SSL alert handling bsc1005878 -...

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation

/ Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' + 2. That part has been done above. Similarly, the value ...

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation / Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' ...

Fedora 27 : xen (2017-908f063bb6)

Qemu: usb: ohci: infinite loop due to incorrect return value CVE-2017-9330 1457698 Qemu: nbd: segmentation fault due to client non-negotiation CVE-2017-9524 1460173 Qemu: qemu-nbd: server breaks with SIGPIPE upon client abort CVE-2017-10664 1466466 Qemu: exec: oob access during dma operation...

Microsoft Edge Chakra JIT asm.js Out-Of-Bounds Read

Microsoft Edge: Chakra: OOB read in asm.js CVE-2017-11911 Here's a snippet of AsmJSByteCodeGenerator::EmitAsmJsFunctionBody. AsmJsVar initSource = nullptr; if decl-sxVar.pnodeInit-nop == knopName AsmJsSymbol initSym = mCompiler-LookupIdentifierdecl-sxVar.pnodeInit-name, mFunction; if...

Microsoft Edge Chakra - asm.js Out-of-Bounds Read

Microsoft Edge Chakra - asm.js Out-of-Bounds Read / Here's a snippet of AsmJSByteCodeGenerator::EmitAsmJsFunctionBody. AsmJsVar initSource = nullptr; if decl-sxVar.pnodeInit-nop == knopName AsmJsSymbol initSym = mCompiler-LookupIdentifierdecl-sxVar.pnodeInit-name, mFunction; if...

EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2017-1321)

According to the versions of the qemu-kvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Quick Emulator QEMU, compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The...

EulerOS 2.0 SP1 : qemu-kvm (EulerOS-SA-2017-1320)

According to the versions of the qemu-kvm package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Quick Emulator QEMU, compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The...

Moderate: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 6.0 Juno for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, ...

Moderate: Red Hat Security Advisory: qemu-kvm-rhev security and bug fix update

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 11.0 Ocata. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...