SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-27781

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…

HIGH 7.5EPSS 2.75%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.75% probability · 85th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-835
Affected
haxx/curl · debian/debian linux · netapp/hci bootstrap os · netapp/clustered data ontap · netapp/solidfire\, enterprise sds \& hci storage node · netapp/solidfire \& hci management node · netapp/hci compute node · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h410s firmware · splunk/universal forwarder
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.