VulnerabilityAnalyzed
CVE-2023-5981
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
MEDIUM 5.9EPSS 1.27%
Does this matter?
Lower severity and a low EPSS score (1.27%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-208, CWE-203
- Affected
- debian/debian linux · gnu/gnutls · redhat/linux · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2024:0155Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0319Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0399Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0451Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0533Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1383Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5981Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445Issue Tracking, Third Party Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23Issue Tracking, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2024/01/19/3Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0155Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0319Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0399Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0451Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0533Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1383Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5981Third Party Advisory, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248445Issue Tracking, Third Party Advisory
- https://gnutls.org/security-new.html#GNUTLS-SA-2023-10-23Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/11/msg00016.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7ZEIOLORQ7N6WRPFXZSYDL2MC4LP7VFV/Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXKVR5YNUEBNHAHM5GSYKBZX4W2HMN2/Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.