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CVE-2018-0737 is a cache-timing side-channel vulnerability in OpenSSL RSA key generation. Three non-constant-time operations used during RSA prime generation and primality testing—greatest-common-divisor calculation, modular inversion, and Montgomery modular exponentiation—can expose secret-dependent state through cache activity. This leakage can reveal information about the generated RSA primes and enable recovery of the resulting RSA private key. OpenSSL 1.1.0 through 1.1.0h and OpenSSL 1.0.2b through 1.0.2o are affected; unsupported OpenSSL branches are presumed affected.
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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.
If you can’t patch tonight, do this now.
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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An OpenSSL RSA key-generation cache timing vulnerability that may allow attackers to recover private keys.
An OpenSSL RSA key-generation cache timing vulnerability that can allow attackers to recover private keys.
An OpenSSL RSA key-generation cache timing vulnerability that could allow attackers to recover private keys.
A low-severity OpenSSL RSA key-generation cache side-channel vulnerability that may allow an attacker able to perform cache-timing attacks during key generation to recover portions of an RSA private key.
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.