medium
4.3
CWE
770
Advisory Published
Updated

CVE-2022-32205

First published: Thu Jul 07 2022(Updated: )

A malicious server can serve excessive amounts of `Set-Cookie:` headers in a HTTP response to curl and curl < 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept, match and haven't expired. Due to cookie matching rules, a server on `foo.example.com` can set cookies that also would match for `bar.example.com`, making it it possible for a "sister server" to effectively cause a denial of service for a sibling site on the same second level domain using this method.

Credit: support@hackerone.com CVE-2022-32205 CVE-2022-32206 CVE-2022-32207 CVE-2022-32208 support@hackerone.com

Affected SoftwareAffected VersionHow to fix
debian/curl
7.64.0-4+deb10u2
7.64.0-4+deb10u7
7.74.0-1.3+deb11u9
7.74.0-1.3+deb11u10
7.88.1-10+deb12u3
7.88.1-10+deb12u4
8.4.0-2
Apple macOS Ventura<13
13
Haxx Curl>=7.71.0<7.84.0
Fedoraproject Fedora=35
Debian Debian Linux=11.0
NetApp Clustered Data ONTAP
Netapp Element Software
Netapp Hci Management Node
Netapp Solidfire
Netapp H300s Firmware
Netapp H300s
Netapp H500s Firmware
Netapp H500s
Netapp H700s Firmware
Netapp H700s
Netapp H410s Firmware
Netapp H410s
Apple macOS<13.0
Siemens Scalance Sc622-2c Firmware<3.0
Siemens Scalance Sc622-2c
Siemens Scalance Sc626-2c Firmware<3.0
Siemens Scalance Sc626-2c
Siemens Scalance Sc632-2c Firmware<3.0
Siemens Scalance Sc632-2c
Siemens Scalance Sc636-2c Firmware<3.0
Siemens Scalance Sc636-2c
Siemens Scalance Sc642-2c Firmware<3.0
Siemens Scalance Sc642-2c
Siemens Scalance Sc646-2c Firmware<3.0
Siemens Scalance Sc646-2c
All of
Netapp H300s
Netapp H300s Firmware
All of
Netapp H500s
Netapp H500s Firmware
All of
Netapp H700s
Netapp H700s Firmware
All of
Netapp H410s
Netapp H410s Firmware
All of
Siemens Scalance Sc622-2c Firmware<3.0
Siemens Scalance Sc622-2c
All of
Siemens Scalance Sc626-2c Firmware<3.0
Siemens Scalance Sc626-2c
All of
Siemens Scalance Sc632-2c Firmware<3.0
Siemens Scalance Sc632-2c
All of
Siemens Scalance Sc636-2c Firmware<3.0
Siemens Scalance Sc636-2c
All of
Siemens Scalance Sc642-2c Firmware<3.0
Siemens Scalance Sc642-2c
All of
Siemens Scalance Sc646-2c Firmware<3.0
Siemens Scalance Sc646-2c
Splunk Universal Forwarder>=8.2.0<8.2.12
Splunk Universal Forwarder>=9.0.0<9.0.6
Splunk Universal Forwarder=9.1.0

Remedy

https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2022-32205?

    CVE-2022-32205 is a vulnerability in curl version 7.84.0 and earlier that allows a malicious server to serve excessive amounts of `Set-Cookie:` headers and store all of them, potentially creating large subsequent HTTP requests.

  • Which software is affected by CVE-2022-32205?

    The vulnerability affects macOS Ventura version up to 13 and curl versions 7.64.0-4+deb10u2, 7.64.0-4+deb10u6, 7.74.0-1.3+deb11u7, 7.88.1-10, 7.88.1-10+deb12u1, 7.88.1-11, and 8.2.1-1 on Debian.

  • How can I fix CVE-2022-32205?

    To fix the vulnerability, update curl to version 7.84.0 or later.

  • Where can I find more information about CVE-2022-32205?

    You can find more information about CVE-2022-32205 in the official CVE report at https://curl.se/docs/CVE-2022-32205.html.

  • Are there any code changes related to CVE-2022-32205?

    Yes, you can find the code changes related to CVE-2022-32205 in the curl repository on GitHub at https://github.com/curl/curl/commit/ed35d6590e72c23c568af1e3b8ac6e4e2d883888 and https://github.com/curl/curl/commit/48d7064a49148f03942380967da739dcde1cdc24.

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