Vulnerability · Published Jun 1, 2022 · Assigned by hackerone
CVE-2022-27775
High 7.5
In plain English
A high-severity information exposure in https://github.com/curl/curl. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.3%top 11.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | curl | 7.76.1-19.el9 | ALSA-2022:8299 |
| AlmaLinux:9 | curl-minimal | 7.76.1-19.el9 | ALSA-2022:8299 |
| AlmaLinux:9 | libcurl | 7.76.1-19.el9 | ALSA-2022:8299 |
| AlmaLinux:9 | libcurl-devel | 7.76.1-19.el9 | ALSA-2022:8299 |
| AlmaLinux:9 | libcurl-minimal | 7.76.1-19.el9 | ALSA-2022:8299 |
| Alpine:v3.20 | curl | 7.83.0-r0 | ALPINE-CVE-2022-27775 |
| Alpine:v3.21 | curl | 7.83.0-r0 | ALPINE-CVE-2022-27775 |
| Alpine:v3.22 | curl | 7.83.0-r0 | ALPINE-CVE-2022-27775 |
| Alpine:v3.23 | curl | 7.83.0-r0 | ALPINE-CVE-2022-27775 |
| Alpine:v3.24 | curl | 7.83.0-r0 | ALPINE-CVE-2022-27775 |
| Debian:12 | curl | 7.83.0-1 | DEBIAN-CVE-2022-27775 |
| Debian:13 | curl | 7.83.0-1 | DEBIAN-CVE-2022-27775 |
| Debian:14 | curl | 7.83.0-1 | DEBIAN-CVE-2022-27775 |
| Rocky Linux:9 | curl | 0:7.76.1-19.el9_1.1 | RLSA-2022:8299 |
| Ubuntu:22.04:LTS | curl | 7.81.0-1ubuntu1.1 | UBUNTU-CVE-2022-27775 |
| Ubuntu:22.04:LTS | curl | 7.81.0-1ubuntu1.1 | USN-5397-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | https://github.com/curl/curl | curl 7.65.0 to 7.82.0 are vulnerable |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N