[Buildroot] [git commit branch/2023.05.x] package/go: security bump to v1.19.12

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=57e5d85185d64623403e6fd3e4609273ba8cf0a0
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2023.05.x

go1.19.12 (released 2023-08-01) includes a security fix to the crypto/tls
package, as well as bug fixes to the assembler and the compiler.

Fixes CVE-2023-29409: 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.

Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/go/go.hash | 2 +-
 package/go/go.mk   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/go/go.hash b/package/go/go.hash
index 6d4c718a40..ac8499e7dc 100644
--- a/package/go/go.hash
+++ b/package/go/go.hash
@@ -1,3 +1,3 @@
 # From https://go.dev/dl
-sha256  e25c9ab72d811142b7f41ff6da5165fec2d1be5feec3ef2c66bc0bdecb431489  go1.19.11.src.tar.gz
+sha256  ee5d50e0a7fd74ba1b137cb879609aaaef9880bf72b5d1742100e38ae72bb557  go1.19.12.src.tar.gz
 sha256  2d36597f7117c38b006835ae7f537487207d8ec407aa9d9980794b2030cbc067  LICENSE
diff --git a/package/go/go.mk b/package/go/go.mk
index 22b8161e05..9189032ba8 100644
--- a/package/go/go.mk
+++ b/package/go/go.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-GO_VERSION = 1.19.11
+GO_VERSION = 1.19.12
 GO_SITE = https://storage.googleapis.com/golang
 GO_SOURCE = go$(GO_VERSION).src.tar.gz