CVE-2015-7511
Publication date 31 December 2015
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
Status
Package | Ubuntu Release | Status |
---|---|---|
libgcrypt11 | ||
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty |
Fixed 1.5.3-2ubuntu4.3
|
|
libgcrypt20 | ||
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
Patch details
Severity score breakdown
Parameter | Value |
---|---|
Base score | 2.0 · Low |
Attack vector | Physical |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | None |
Vector | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-2896-1
- Libgcrypt vulnerability
- 15 February 2016