CVE-2021-23017
HIGH7.7EPSS 73.5%nginx - security update
發布日:2021/6/1修改日:2026/4/28
描述
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
受影響套件(6)
- Alpine/nginxfrom 0, < 1.16.1-r3
- Bitnami/nginx>= 0.6.18, < 1.20.1
- Bitnami/nginx-gateway>= 0.6.18, < 1.20.1
- Debian/nginxfrom 0, < 1.18.0-6.1
- Debian/nginxfrom 0, < 1.10.3-1+deb9u6
- Debian/nginxfrom 0, < 1.14.2-2+deb10u4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
參考連結(17)
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2021-23017
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-23017
- WEBhttp://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html
- WEBhttp://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html
- WEBhttps://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/
- WEBhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2021-23017
- WEBhttps://security.netapp.com/advisory/ntap-20210708-0006/
- WEBhttps://support.f5.com/csp/article/K12331123%2C
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2022.html
- WEBhttps://www.oracle.com/security-alerts/cpuoct2021.html