Home/CVE/libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's c
CVE

CVE-2022-27781

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's c

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.

HIGH · CVSS 7.5 EPSS 0.00077
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')
▤

Affected Products & Versions

14
haxx curl< 7.83.1
debian linuxall versions
netapp hci bootstrap osall versions
netapp hci compute nodeall versions
netapp clustered data ontapall versions
netapp solidfire\, enterprise sds \& hci storage nodeall versions
netapp solidfire \& hci management nodeall versions
netapp h300s firmwareall versions
⚠

Public Exploits & PoCs

1
pochackerone.com · 1555441hackerone.com
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Download and Execute Pattern via Curl/Wget
producthighSuspicious File Download From File Sharing Domain Via Curl.EXE
producthighSuspicious File Download From IP Via Curl.EXE
producthighCurl Download And Execute Combination
producthighSuspicious Curl.EXE Download
productmediumSuspicious Curl File Upload - Linux
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2022 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

16
msrcCVE-2022-27781
suse-csafopenSUSE-SU-2024:12062-1
siemens-csafSSA-398330
siemens-csafSSA-146325
rhsaRHSA-2022:8840Moderate
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
https://www.debian.org/security/2022/dsa-5197Mailing ListThird Party Advisory
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