Ubuntu.comUB:CVE-2023-29409CVE-2023-29409
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
0.001 Low
EPSS
Percentile
26.0%
Extremely large RSA keys in certificate chains can cause a client/server to
expend significant CPU time verifying signatures. With fix, the size of RSA
keys transmitted during handshakes is restricted to <= 8192 bits. Based on
a survey of publicly trusted RSA keys, there are currently only three
certificates in circulation with keys larger than this, and all three
appear to be test certificates that are not actively deployed. It is
possible there are larger keys in use in private PKIs, but we target the
web PKI, so causing breakage here in the interests of increasing the
default safety of users of crypto/tls seems reasonable.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | golang-1.20 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | golang-1.20 | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | golang-1.20 | < any | UNKNOWN |
References
github.com/golang/go/commit/2300f7ef07718f6be4d8aa8486c7de99836e233f(1.19)
github.com/golang/go/commit/659f2a22076713bd2500adc82e026b6a746d8ba1(1.20)
github.com/golang/go/commit/a51957fb0b20bb6c91d0415efca222cc9ecdb770(1.21)
github.com/golang/go/issues/61460
groups.google.com/g/golang-announce/c/X0b6CsSAaYI
launchpad.net/bugs/cve/CVE-2023-29409
nvd.nist.gov/vuln/detail/CVE-2023-29409
security-tracker.debian.org/tracker/CVE-2023-29409
www.cve.org/CVERecord?id=CVE-2023-29409
Related
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
0.001 Low
EPSS
Percentile
26.0%