CVE-2019-13627
Published: 25 September 2019
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
Notes
Author | Note |
---|---|
leosilva | patch breaks dsa-rfc6979.c tests in Xenial. |
Priority
Status
Package | Release | Status |
---|---|---|
libgcrypt11 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
disco |
Does not exist
|
|
eoan |
Does not exist
|
|
trusty |
Released
(1.5.3-2ubuntu4.6+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
libgcrypt20 Launchpad, Ubuntu, Debian |
bionic |
Released
(1.8.1-4ubuntu1.2)
|
disco |
Released
(1.8.4-3ubuntu1.1)
|
|
eoan |
Released
(1.8.4-5ubuntu2.1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(1.8.5-1)
|
|
xenial |
Released
(1.6.5-2ubuntu0.6)
|
|
Patches: upstream: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=b9577f7c89b4327edc09f2231bc8b31521102c79 upstream: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=7c2943309d14407b51c8166c4dcecb56a3628567 upstream: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=d5407b78cca9f9d318a4f4d2f6ba2b8388584cd9 upstream: https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=db4e9976cc31b314aafad6626b2894e86ee44d60 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.3 |
Attack vector | Local |
Attack complexity | High |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |