[24.0 backport] update to go1.20.7 #46140
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Includes a fix for CVE-2023-29409 go1.20.7 (released 2023-08-01) includes a security fix to the crypto/tls package, as well as bug fixes to the assembler and the compiler. See the Go 1.20.7 milestone on our issue tracker for details: - https://github.com/golang/go/issues?q=milestone%3AGo1.20.7+label%3ACherryPickApproved - full diff: golang/go@go1.20.6...go1.20.7 From the mailing list announcement: [security] Go 1.20.7 and Go 1.19.12 are released Hello gophers, We have just released Go versions 1.20.7 and 1.19.12, minor point releases. These minor releases include 1 security fixes following the security policy: - crypto/tls: restrict RSA keys in certificates to <= 8192 bits Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. Limit this by restricting the size of RSA keys transmitted during handshakes 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. Thanks to Mateusz Poliwczak for reporting this issue. View the release notes for more information: https://go.dev/doc/devel/release#go1.20.7 Signed-off-by: Sebastiaan van Stijn <github@gone.nl> (cherry picked from commit d5cb7cd) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
AkihiroSuda
approved these changes
Aug 2, 2023
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Includes a fix for CVE-2023-29409
go1.20.7 (released 2023-08-01) includes a security fix to the crypto/tls package, as well as bug fixes to the assembler and the compiler. See the Go 1.20.7 milestone on our issue tracker for details:
From the mailing list announcement:
[security] Go 1.20.7 and Go 1.19.12 are released
Hello gophers,
We have just released Go versions 1.20.7 and 1.19.12, minor point releases.
These minor releases include 1 security fixes following the security policy:
crypto/tls: restrict RSA keys in certificates to <= 8192 bits
Extremely large RSA keys in certificate chains can cause a client/server
to expend significant CPU time verifying signatures. Limit this by
restricting the size of RSA keys transmitted during handshakes 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.
Thanks to Mateusz Poliwczak for reporting this issue.
View the release notes for more information:
https://go.dev/doc/devel/release#go1.20.7
(cherry picked from commit d5cb7cd)
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