Low severity · published Aug 9, 2022
CVE-2022-30629
Session tickets lack random ticket_age_add in crypto/tls
3.1
CVSS
1.2%
EPSS
No
On KEV
Description
Non-random values for ticket_age_add in session tickets in crypto/tls before Go 1.17.11 and Go 1.18.3 allow an attacker that can observe TLS handshakes to correlate successive connections by comparing ticket ages during session resumption.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
crypto/tls · Go standard library
before 1.17.11; 1.18.0-0 before 1.18.3 · source: vendor
GO
GO · Golang
before 1.17.11; 1.18.0 before 1.18.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-30629
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-30629
Patch
https://go.dev/cl/405994
Exploit
https://go.dev/issue/52814
Mailing List
https://go.googlesource.com/go/+/fe4de36198794c447fbd9d7cc2d7199a506c76a5
Mailing List
https://groups.google.com/g/golang-announce/c/TzIC9-t8Ytg/m/IWz5T6x7AAAJ
Vendor Advisory
https://pkg.go.dev/vuln/GO-2022-0531
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