Vulnerability in Haxx Curl
CVE-2022-27782
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Haxx Curl
- Splunk Universal Forwarder — versions 9.1.0
- Debian Linux — versions 10.0, 11.0
- Https://github.com/curl/curl — versions Fixed in 7.83.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/1555796 (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220609-0009/ (Third Party Advisory)
- www.debian.org/security/2022/dsa-5197 (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/08/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202212-01 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2023/03/20/6 (mailing-list, Mailing List)
Frequently asked questions
- What is CVE-2022-27782?
- CVE-2022-27782 is a high-severity vulnerability in Haxx Curl, classified under CWE-840. CVSS score: 7.5/10. Published 2022-06-02.
- How severe is CVE-2022-27782?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-27782 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.