Medium severity · published Nov 28, 2023
CVE-2023-5981
Gnutls: timing side-channel in the rsa-psk authentication
5.9
CVSS
1.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
RHODF-4.15-RHEL-9 · Red Hat
All versions, or not specified · source: vendor
RH
RHOL-5.8-RHEL-9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.6 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.8 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
DL
Debian Linux · Debian
10.0 · source: NVD
FE
Fedora · Fedoraproject
37; 38 · source: NVD
GN
Gnutls · Gnu
before 3.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5981
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5981
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0155
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0319
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0399
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0451
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0533
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:1383
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