CVE-2022-32206 — Allocation of Resources Without Limits or Throttling in Curl
Severity
6.5MEDIUMNVD
OSV4.3
EPSS
4.5%
top 10.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 7
Latest updateSep 29
Description
curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6
Affected Packages11 packages
Also affects: Debian Linux 10.0, 11.0, Fedora 35
Patches
🔴Vulnerability Details
5📋Vendor Advisories
6Microsoft▶
curl < 7.84.0 supports "chained" HTTP compression algorithms meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" ↗2022-07-12