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CVE-2024-6510 is a local privilege escalation vulnerability in AVG Internet Security v24 on Windows. The issue arises from a trust boundary failure between an unprivileged frontend process and privileged backend functionality exposed through RPC, and can be reached after COM hijacking of the frontend. A local attacker can place a malicious DLL in a writable directory that satisfies the product's DLL load allow-list, causing code execution inside a trusted AVG frontend process under the attacker's user context. From there, the attacker can interact with RPC interfaces exposed by ashServ.dll, including functionality that launches allow-listed system components through AavmRpcRunSystemComponent and disables self-protection through AavmRpcDisableSelfDefense. The exploitation chain abuses AvEmUpdate.exe, an allow-listed component that accepts arguments causing it to apply a DLL update package. Although the target component performs signature verification on the DLL, the update logic is vulnerable to a time-of-check time-of-use race condition. By using filesystem timing and redirection techniques, an attacker can cause verification to occur against a valid signed DLL while a malicious DLL is substituted at load time. Once self-protection is disabled, the malicious DLL is loaded by a SYSTEM process, resulting in elevation to SYSTEM.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A privilege escalation vulnerability in AVG Internet Security that abuses trust in frontend processes via COM hijacking, then leverages RPC functionality and a TOCTOU issue in the update mechanism to achieve SYSTEM privileges.
A previously discussed AVG Internet Security vulnerability in the same series involving abuse of an update mechanism via reversed RPC communication.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.