CVE-2019-19963
Published: 25 December 2019
An issue was discovered in wolfSSL before 4.3.0 in a non-default configuration where DSA is enabled. DSA signing uses the BEEA algorithm during modular inversion of the nonce, leading to a side-channel attack against the nonce.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
wolfssl
Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| groovy |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| hirsute |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| impish |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| jammy |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| kinetic |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| lunar |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| mantic |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| noble |
Not vulnerable
(4.3.0+dfsg-2)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.3.0+dfsg-1)
|
|
| xenial |
Needs triage
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.3 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References
- https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190 (v4.3.0-stable)
- https://github.com/wolfSSL/wolfssl/commit/7e391f0fd57f2ef375b1174d752a56ce34b2b190
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.3.0-stable
- https://www.cve.org/CVERecord?id=CVE-2019-19963
- NVD
- Launchpad
- Debian