CVE-2021-22569

描述

An issue in protobuf-java allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.

如何修補 CVE-2021-22569

要修補 CVE-2021-22569,請將受影響套件升級到下列已修補版本。

• —升級至 3.12.4-1+deb11u1 或更新版本
• —升級至 3.6.1.3-2+deb10u1 或更新版本
• —升級至 3.16.1 或更新版本
• —升級至 3.18.2 或更新版本
• —升級至 3.19.2 或更新版本

CVE-2021-22569 正在被利用嗎?

低 — EPSS 為 1.7%,目前沒有觀察到大規模利用活動。

受影響套件(5)

• from 0, < 3.12.4-1+deb11u1
• from 0, < 3.6.1.3-2+deb10u1
• from 0, < 3.16.1
• >= 3.18.0, < 3.18.2
• from 0, < 3.19.2

CVSS 分數

參考連結(9)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-22569
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-22569
• PATCHgithub.com/protocolbuffers/protobuf
• WEBwww.openwall.com/lists/oss-security/2022/01/12/4
• WEB