CVE-2020-14354
EUVD-2020-649813.05.2021, 14:15
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| c-ares | c-ares | 1.16.0 |
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= Vulnerable software versions
Debian Releases
Ubuntu Releases
Common Weakness Enumeration
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
- CWE-415 - Double FreeThe product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
References