Exposure of Resource to Wrong Sphere in valib

valib through 2.0.0 allows Internal Property Tampering. A maliciously crafted JavaScript object can bypass several inspection functions provided by valib. Valib uses a built-in function hasOwnProperty from the unsafe user-input to examine an object. It is possible for a crafted payload to overwri...

Valve: Unchecked weapon id in WeaponList message parser on client leads to RCE

Let's look at WeaponList message parser code in the HLSDK: cpp int CHudAmmo::MsgFuncWeaponListconst char pszName, int iSize, void pbuf BEGINREAD pbuf, iSize ; WEAPON Weapon; strcpy Weapon.szName, READSTRING ; Weapon.iAmmoType = intREADCHAR; Weapon.iMax1 = READBYTE; if Weapon.iMax1 == 255...