Medium severity · published Aug 22, 2023
CVE-2020-22217
Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c
5.9
CVSS
1%
EPSS
No
On KEV
Description
Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
C-ares · C-ares
1.16.1; 1.17.0 · source: NVD
DL
Debian Linux · Debian
10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-22217
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-22217
Exploit
https://github.com/c-ares/c-ares/issues/333
Mailing List
https://lists.debian.org/debian-lts-announce/2023/09/msg00014.html
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