CVE-2016-6489
HIGH
7.5
CVSS Score
Published: April 14, 2017 at 06:00 PM UTC
Updated: June 17, 2026 at 12:51 AM UTC
6 products affected across 3 vendorsUbuntu LinuxEnterprise Linux DesktopEnterprise Linux Server
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
Description
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%v < 3.3
Affected range stops below 3.3, so it looks safe — our inference, not a vendor statement
95%
Enterprise Linux Server· Red Hatrubygems
95%95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (8)
Vendor Advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-2582.htmlMailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/07/29/7Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3193-1x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1362016x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/201706-21x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuapr2020.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-203
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