CVE-2022-27781

moderate-risk
Published 2022-06-02

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (14)

Affected Vendors

Debian Haxx Netapp Splunk

References (10)

Exploit https://hackerone.com/reports/1555441
Mailing List https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
Third Party Advisory https://security.gentoo.org/glsa/202212-01
Third Party Advisory https://security.netapp.com/advisory/ntap-20220609-0009/
Mailing List https://www.debian.org/security/2022/dsa-5197
Exploit https://hackerone.com/reports/1555441
Mailing List https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html
Third Party Advisory https://security.gentoo.org/glsa/202212-01
Third Party Advisory https://security.netapp.com/advisory/ntap-20220609-0009/
Mailing List https://www.debian.org/security/2022/dsa-5197
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate