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CVE-2022-4304 is a timing-based side-channel vulnerability in OpenSSL's RSA decryption implementation. Differences in decryption processing time can act as an oracle for a Bleichenbacher-style attack. The flaw affects RSA PKCS#1 v1.5, RSA-OAEP, and RSASVE padding modes. An attacker able to submit and time a very large number of trial ciphertexts may recover protected plaintext over a network.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
51 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability addressed by the CIQ edk2 security update for Rocky Linux 8.6.
A remotely reachable, high-complexity vulnerability affecting Huawei EulerOS UVP 2.11.0. Successful exploitation could result in high confidentiality impact; the supplied CVSS vectors indicate no integrity or availability impact.
A vulnerability addressed by a Huawei EulerOS security advisory for EulerOS 2.11.1 shim-related packages. The supplied CVSS vector indicates network attack vector, high attack complexity, no privileges or user interaction required, and high confidentiality impact.
A timing oracle vulnerability in OpenSSL RSA decryption.
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.