NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0095)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerabili...

NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2019-0062)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has thunderbird packages installed that are affected by multiple vulnerabilities: - Incorrect convexity calculations in Skia in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to perform an out of bounds memory...

NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0090)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being fre...

Mozilla Spidermonkey - IonMonkey 'Array.prototype.pop' Type Confusion

The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: 1, a: 2, a: 3, a: 4; function v7v8,v9 if v4.length == 0 v43 = a: 5; ...

Mozilla Spidermonkey - IonMonkey Array.prototype.pop Type Confusion

Mozilla Spidermonkey - IonMonkey Array.prototype.pop Type Confusion The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: ...

Mozilla Spidermonkey - IonMonkey (Array.prototype.pop) Type Confusion Exploit

The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox 66.0.3 current stable: // Run with --no-threads for increased reliability const v4 = a: 0, a: 1, a: 2, a: 3, a: 4; function v7v8,v9 if v4.length == 0 v43 = a: 5; ...

Spidermonkey IonMonkey Incorrect Prediction

Spidermonkey: IonMonkey incorrectly predicts return type of Array.prototype.pop, leading to type confusions Related CVE Numbers: CVE-2019-11707Fixed-2019-Jun-18. The following program found through fuzzing and manually modified crashes Spidermonkey built from the current beta channel and Firefox...

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation While fuzzing Spidermonkey, I encountered the following commented and modified JavaScript program which crashes debug builds of the latest release version of Spidermonkey from commit...

Spidermonkey - IonMonkey Leaks JS_OPTIMIZED_OUT Magic Value to Script

Spidermonkey - IonMonkey Leaks JSOPTIMIZEDOUT Magic Value to Script IonMonkey can, during a bailout, leak an internal JSOPTIMIZEDOUT magic value to the running script. This magic value can then be used to achieve memory corruption. Prerequisites Magic Values Spidermonkey represents JavaScript...

EulerOS 2.0 SP3 : firefox (EulerOS-SA-2019-1571)

According to the versions of the firefox package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6 CVE-2019-9788 - Mozilla: Use-after-free when removing in-use DOM elements...

EulerOS 2.0 SP2 : firefox (EulerOS-SA-2019-1570)

According to the versions of the firefox package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Mozilla: IonMonkey MArraySlice has incorrect alias information CVE-2019-9810 - Mozilla: Ionmonkey type confusion with proto mutations...

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation

While fuzzing Spidermonkey, I encountered the following commented and modified JavaScript program which crashes debug builds of the latest release version of Spidermonkey from commit https://github.com/mozilla/gecko-dev/commit/3ecf89da497cf1abe2a89d1b3c282b48e5dfac8c: function O1 this.s = 'foobar...

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation Exploit

Spidermonkey IonMonkey suffers from an issue where an unexpected ObjectGroup in the ObjectGroupDispatch operation might lead to potentially unsafe code being executed. Spidermonkey: IonMonkey: unexpected ObjectGroup in ObjectGroupDispatch operation might lead to potentially unsafe code being...

Spidermonkey IonMonkey JS_OPTIMIZED_OUT Value Leak

Spidermonkey: IonMonkey leaks JSOPTIMIZEDOUT magic value to script Related CVE Numbers: CVE-2019-9792. TURN ON "CODE FONT" IN THE TOP RIGHT TO CORRECTLY SEE THE CFGs! IonMonkey can, during a bailout, leak an internal JSOPTIMIZEDOUT magic value to the running script. This magic value can then be...

Spidermonkey IonMonkey JS_OPTIMIZED_OUT Value Leak Exploit

Spidermonkey IonMonkey can, during a bailout, leak an internal JSOPTIMIZEDOUT magic value to the running script. This magic value can then be used to achieve memory corruption. Spidermonkey: IonMonkey leaks JSOPTIMIZEDOUT magic value to script Related CVE Numbers: CVE-2019-9792. TURN ON "CODE...

Buffer Overflow

Mozilla Thunderbird is vulnerable to buffer overflow. It does not use correct alias information in IonMonkey JIT compiler for MArraySlice in Array.prototype.slice method...

Denial Of Service (DoS)

Mozilla Thunderbird is vulnerable to denial of service DoS. The attack is due to type-confusion in IonMonkey JIT compiler...

Denial Of Service (DoS)

Mozilla Thunderbird is vulnerable to information leakage due to IonMonkey leaks JSOPTIMIZEDOUT magic value to script...

Type Confusion

Mozilla Firefox is vulnerable to type confusion. Ionmonkey type confusion with proto mutations...

Mozilla: Type-confusion in IonMonkey JIT compiler

A vulnerability where type-confusion in the IonMonkey just-in-time JIT compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...