CVE-2021-3345
Published: 29 January 2021
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
Priority
Status
Package | Release | Status |
---|---|---|
libgcrypt20 Launchpad, Ubuntu, Debian |
upstream |
Released
(1.9.1)
|
trusty |
Does not exist
|
|
xenial |
Not vulnerable
(1.6.5-2ubuntu0.6)
|
|
bionic |
Not vulnerable
(1.8.1-4ubuntu1.2)
|
|
focal |
Not vulnerable
(1.8.5-5ubuntu1)
|
|
groovy |
Not vulnerable
(1.8.5-5ubuntu2)
|
|
libgcrypt11 Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
trusty |
Not vulnerable
(1.5.3-2ubuntu4.6+esm1)
|
|
xenial |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3345
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08
- https://gnupg.org
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html
- NVD
- Launchpad
- Debian