CVE-2024-0553
Published: January 17, 2024Last modified: April 15, 2024
Description
A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | gnutls | Unknown (3.7.8-r2) |
| Stream | gnutls | Fixed (3.8.3-r0) |
References
- http://www.openwall.com/lists/oss-security/2024/01/19/3
- https://access.redhat.com/errata/RHSA-2024:0533
- https://access.redhat.com/errata/RHSA-2024:0627
- https://access.redhat.com/errata/RHSA-2024:0796
- https://access.redhat.com/errata/RHSA-2024:1082
- https://access.redhat.com/errata/RHSA-2024:1108
- https://access.redhat.com/errata/RHSA-2024:1383
- https://access.redhat.com/errata/RHSA-2024:2094
- https://access.redhat.com/security/cve/CVE-2024-0553
- https://bugzilla.redhat.com/show_bug.cgi?id=2258412
- https://gitlab.com/gnutls/gnutls/-/issues/1522
- https://lists.debian.org/debian-lts-announce/2024/02/msg00010.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/
- https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html
- https://security.netapp.com/advisory/ntap-20240202-0011/