漏洞信息
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Vulnerability Title
c-ares out of bounds read in ares__read_line()
Vulnerability Description
c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, the `/etc/hosts` file. If any of these configuration files has an embedded `NULL` character as the first character in a new line, it can lead to attempting to read memory prior to the start of the given buffer which may result in a crash. This issue is fixed in c-ares 1.27.0. No known workarounds exist.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
缓冲区下溢读取
Vulnerability Title
c-ares 安全漏洞
Vulnerability Description
c-ares是c-ares个人开发者的一个用于异步 DNS 请求的 C 库。 c-ares存在安全漏洞，该漏洞源于如果配置文件中嵌入了“NULL”字符作为新行中的第一个字符，则可能会导致在给定缓冲区开始之前尝试读取内存，这可能会导致崩溃。
CVSS Information
N/A
Vulnerability Type
N/A