CVE-2016-6489
nettle: RSA/DSA code is vulnerable to cache-timing related attacks
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
El código de descifrado RSA y DSA en Nettle facilita a los atacantes cubrir las claves privadas a través de un ataque de canal secundario de caché.
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.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-07-28 CVE Reserved
- 2016-11-03 CVE Published
- 2023-07-19 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-203: Observable Discrepancy
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://eprint.iacr.org/2016/596.pdf | Technical Description | |
| https://www.oracle.com/security-alerts/cpuapr2020.html | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/07/29/7 | 2020-11-16 | |
| https://git.lysator.liu.se/nettle/nettle/commit/3fe1d6549765ecfb24f0b80b2ed086fdc818bff3 | 2020-11-16 |
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2582.html | 2020-11-16 | |
| http://www.ubuntu.com/usn/USN-3193-1 | 2020-11-16 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1362016 | 2016-11-03 | |
| https://security.gentoo.org/glsa/201706-21 | 2020-11-16 | |
| https://access.redhat.com/security/cve/CVE-2016-6489 | 2016-11-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Hpc Node Search vendor "Redhat" for product "Enterprise Linux Hpc Node" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Hpc Node" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.10" | - |
Affected
| ||||||
| Nettle Project Search vendor "Nettle Project" | Nettle Search vendor "Nettle Project" for product "Nettle" | < 3.3 Search vendor "Nettle Project" for product "Nettle" and version " < 3.3" | - |
Affected
| ||||||