CVE-2022-27782
Last modified
CVE-2022-27782 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.. EPSS estimates a 2.60% chance of exploitation in the next 30 days.
Description
libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Curl | < 7.83.1 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Splunk | Universal Forwarder | >= 8.2.0, < 8.2.12 |
| Splunk | Universal Forwarder | >= 9.0.0, < 9.0.6 |
| Splunk | Universal Forwarder | 9.1.0 |
References
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third 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 List, Third Party Advisory
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third 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 List, Third Party Advisory
- https://hackerone.com/reports/1555796Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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