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Ubuntu 22.04 LTS USN-5587-1 Critical: Curl Denial Of Service

ubuntu
Calendar Grey September 1, 2022
Dist Ubuntu Esm H88
Ubuntu users must act promptly to address the disclosed Curl vulnerability that threatens system integrity. Follow these steps to secure your system.
curl could be denied access to a HTTP(S) content if it recieved a specially crafted cookie.

Summary

curl could be denied access to a HTTP(S) content if it recieved

a specially crafted cookie.

Software Description:

- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

Axel Chong discovered that when curl accepted and sent back

cookies containing control bytes that a HTTP(S) server might

return a 400 (Bad Request Error) response. A malicious cookie

host could possibly use this to cause denial-of-service.

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu curl

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
curl 7.81.0-1ubuntu1.4
libcurl3-gnutls 7.81.0-1ubuntu1.4
libcurl3-nss 7.81.0-1ubuntu1.4
libcurl4 7.81.0-1ubuntu1.4

Ubuntu 20.04 LTS:
curl 7.68.0-1ubuntu2.13
libcurl3-gnutls 7.68.0-1ubuntu2.13
libcurl3-nss 7.68.0-1ubuntu2.13
libcurl4 7.68.0-1ubuntu2.13

Ubuntu 18.04 LTS:
curl 7.58.0-2ubuntu3.20
libcurl3-gnutls 7.58.0-2ubuntu3.20
libcurl3-nss 7.58.0-2ubuntu3.20
libcurl4 7.58.0-2ubuntu3.20

Ubuntu 16.04 ESM:
curl 7.47.0-1ubuntu2.19+esm5
libcurl3 7.47.0-1ubuntu2.19+esm5
libcurl3-gnutls 7.47.0-1ubuntu2.19+esm5
libcurl3-nss 7.47.0-1ubuntu2.19+esm5

Ubuntu 14.04 ESM:
curl 7.35.0-1ubuntu2.20+esm12
libcurl3 7.35.0-1ubuntu2.20+esm12
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm12
libcurl3-nss 7.35.0-1ubuntu2.20+esm12

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5587-1

CVE-2022-35252

Severity
critical
Lowest
Low
Medium
High
Critical

September 01, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical ubuntu curl

Package Information

https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.4
https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.13
https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.20

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