CVE-2016-2849
Published: 13 May 2016
Botan before 1.10.13 and 1.11.x before 1.11.29 do not use a constant-time algorithm to perform a modular inverse on the signature nonce k, which might allow remote attackers to obtain ECDSA secret keys via a timing side-channel attack.
Priority
Status
Package | Release | Status |
---|---|---|
botan1.10 Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(1.10.13-1)
|
bionic |
Not vulnerable
(1.10.13-1)
|
|
cosmic |
Not vulnerable
(1.10.13-1)
|
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
focal |
Does not exist
|
|
precise |
Ignored
(end of life)
|
|
trusty |
Released
(1.10.5-1+deb7u1ubuntu0.14.04.1)
|
|
upstream |
Released
(1.10.13-1)
|
|
wily |
Ignored
(end of life)
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Ignored
(end of life)
|
|
groovy |
Does not exist
|
|
jammy |
Does not exist
|
|
xenial |
Needed
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
mantic |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |