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Ubuntu 23.04 USN-6363-1 Critical Curl Resource Consumption DoS

ubuntu
Calendar Grey September 13, 2023
Dist Ubuntu Esm H88
Debian Security Advisory DSA-5260-1 details a wget weakness that could lead to denial of service due to malformed data.
curl could be made to consume resources if it received specially crafted network traffic.

Summary

curl could be made to consume resources if it received specially crafted

network traffic.

Software Description:

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

Details:

It was discovered that curl incorrectly handled certain large headers. A

remote attacker could possibly use this issue to cause curl to consume

resources, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu curl resource exhaustion

Update Instructions

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

Ubuntu 23.04:
   curl                            7.88.1-8ubuntu2.2
   libcurl3-gnutls                 7.88.1-8ubuntu2.2
   libcurl3-nss                    7.88.1-8ubuntu2.2
   libcurl4                        7.88.1-8ubuntu2.2

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

References

https://ubuntu.com/security/notices/USN-6363-1

CVE-2023-38039

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6363-1

Topics%20covered

Topics Covered

security advisory denial of service ubuntu curl resource exhaustion

Package Information

https://launchpad.net/ubuntu/+source/curl/7.88.1-8ubuntu2.2

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