CVE-2016-6489
nettle: RSA/DSA code is vulnerable to cache-timing related attacks
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Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · June 20, 2016
Updated · May 13, 2026
Description
It was found that nettle's RSA and DSA decryption code was vulnerable to cache-related side channel attacks. An attacker could use this flaw to recover the private key from a co-located virtual-machine instance.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.4CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 · 5.8AV:N/AC:M/Au:N/C:P/I:P/A:N
CWE not specified