High severity · published Sep 8, 2023
CVE-2023-39322
Memory exhaustion in QUIC connection handling in crypto/tls
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% 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
1.21.0-0 before 1.21.1 · source: vendor
GO
GO · Golang
1.21.0 before 1.21.1 · source: NVD
CT
Crypto Tls · GO Standard Library
1.21.0-0 before 1.21.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39322
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39322
Patch
https://go.dev/cl/523039
Issue Tracking
https://go.dev/issue/62266
Mailing List
https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ
Vendor Advisory
https://pkg.go.dev/vuln/GO-2023-2045
security.gentoo.org
https://security.gentoo.org/glsa/202311-09
Third Party Advisory
https://security.netapp.com/advisory/ntap-20231020-0004/
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