CVE-2016-2178
Published: 19 June 2016
The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
openssl Launchpad, Ubuntu, Debian |
artful |
Released
(1.0.2g-1ubuntu9)
|
| bionic |
Released
(1.0.2g-1ubuntu9)
|
|
| cosmic |
Released
(1.0.2g-1ubuntu9)
|
|
| disco |
Released
(1.0.2g-1ubuntu9)
|
|
| precise |
Released
(1.0.1-4ubuntu5.37)
|
|
| trusty |
Released
(1.0.1f-1ubuntu2.20)
|
|
| upstream |
Released
(1.0.2i, 1.0.1u)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Released
(1.0.2g-1ubuntu4.4)
|
|
| yakkety |
Released
(1.0.2g-1ubuntu9)
|
|
| zesty |
Released
(1.0.2g-1ubuntu9)
|
|
|
Patches: upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=d168705e11526a4b487640c7cac5b53ee3646cbc upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=3681a4558c13198944e6f7f149c4be188e076e14 upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=621eaf49a289bfac26d4cbcdb7396e796784c534 upstream: https://git.openssl.org/?p=openssl.git;a=commit;h=b7d0f2834e139a20560d64c73e2565e93715ce2b |
||
|
openssl098 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| precise |
Ignored
(end of life)
|
|
| trusty |
Does not exist
(trusty was needed)
|
|
| upstream |
Needs triage
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |