Nettle
CVE-2016-6489
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V6 - Authentication Timing-safe comparisons
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 3.01%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified under CWE-203. The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Canonical Ubuntu Linux.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)CVE.org
The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces inco
x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output in
The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces inco
The OCB feature in libnettle in Nettle 3.9 before 3.9.1 allows memory corruption. Rated critical severity (CVSS 9.8), th
A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, ED
A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. Rated high severity
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of
GitHub PoC
Exploit-DB