CVE-2023-29409
MEDIUM5.3EPSS 0.12%Large RSA keys can cause high CPU usage in crypto/tls
發布日:2023/8/2修改日:2026/4/28
描述
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.
受影響套件(4)
- Bitnami/golangfrom 0, < 1.19.12, >= 1.20.0, < 1.20.7
- Debian/golang-1.15from 0
- Debian/golang-1.19from 0
- Go/stdlibfrom 0, < 1.19.12, >= 1.20.0-0, < 1.20.7, >= 1.21.0-0, < 1.21.0-rc.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
參考連結(8)
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-29409
- PATCHhttps://go.dev/cl/515257
- REPORThttps://go.dev/issue/61460
- WEBhttps://groups.google.com/g/golang-announce/c/X0b6CsSAaYI/m/Efv5DbZ9AwAJ
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2023-29409
- WEBhttps://pkg.go.dev/vuln/GO-2023-1987
- WEBhttps://security.gentoo.org/glsa/202311-09
- WEBhttps://security.netapp.com/advisory/ntap-20230831-0010/