Medium severity · published Jul 11, 2023
CVE-2023-1672
Race condition exists in the key generation and rotation functionality
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
A race condition exists in the Tang server functionality for key generation and key rotation. This flaw results in a small time window where Tang private keys become readable by other processes on the same host.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
38 · source: vendor, NVD
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 9 · Red Hat
All versions, or not specified · source: vendor
TA
Tang · Tang Project
before 14 · source: vendor, NVD
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1672
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-1672
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-1672
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2180999
Patch
https://github.com/latchset/tang/commit/8dbbed10870378f1b2c3cf3df2ea7edca7617096
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/11/msg00004.html
Exploit
https://www.openwall.com/lists/oss-security/2023/06/15/1