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Ubuntu 14.04 ESM, 16.04 ESM: USN-5499-1 Critical: curl Denial Of Service

ubuntu
Calendar Grey June 30, 2022
Dist Ubuntu Esm H88
Numerous vulnerabilities addressed in curl impacting Ubuntu 14.04 and 16.04 Extended Security Maintenance; corrective measures offered for the compromised releases.
Several security issues were fixed in curl.

Summary

Several security issues were fixed in curl.

Software Description:

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

Details:

Florian Kohnhuser discovered that curl incorrectly handled returning a

TLS server’s certificate chain details. A remote attacker could possibly

use this issue to cause curl to stop responding, resulting in a denial of

service. (CVE-2022-27781)

Harry Sintonen discovered that curl incorrectly handled certain FTP-KRB

messages. An attacker could possibly use this to perform a

machine-in-the-middle attack. (CVE-2022-32208)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu attack fixes curl

Update Instructions

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

Ubuntu 16.04 ESM:
curl 7.47.0-1ubuntu2.19+esm4
libcurl3 7.47.0-1ubuntu2.19+esm4
libcurl3-gnutls 7.47.0-1ubuntu2.19+esm4
libcurl3-nss 7.47.0-1ubuntu2.19+esm4

Ubuntu 14.04 ESM:
curl 7.35.0-1ubuntu2.20+esm11
libcurl3 7.35.0-1ubuntu2.20+esm11
libcurl3-gnutls 7.35.0-1ubuntu2.20+esm11
libcurl3-nss 7.35.0-1ubuntu2.20+esm11

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

References

https://ubuntu.com/security/notices/USN-5499-1

CVE-2022-27781, CVE-2022-32208

Severity
critical
Lowest
Low
Medium
High
Critical

July 01, 2022

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu attack fixes curl

Package Information

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