CVE-2022-2509
Published: 1 August 2022
A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.
Notes
| Author | Note |
|---|---|
| mdeslaur | per upstream, affects 3.6.0 to 3.7.6, but code in bionic looks similar |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gnutls28 Launchpad, Ubuntu, Debian |
bionic |
Released
(3.5.18-1ubuntu1.6)
|
| focal |
Released
(3.6.13-2ubuntu1.7)
|
|
| jammy |
Released
(3.7.3-4ubuntu1.1)
|
|
| kinetic |
Released
(3.7.7-2ubuntu1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(3.7.7-1)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| lunar |
Not vulnerable
(3.7.7-2ubuntu1)
|
|
|
Patches: upstream: https://gitlab.com/gnutls/gnutls/-/commit/ce37f9eb265dbe9b6d597f5767449e8ee95848e2 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2509
- https://gnutls.org/security-new.html (GNUTLS-SA-2022-07-07)
- https://access.redhat.com/security/cve/CVE-2022-2509
- https://lists.gnupg.org/pipermail/gnutls-help/2022-July/004746.html
- https://ubuntu.com/security/notices/USN-5550-1
- NVD
- Launchpad
- Debian