USN-3882-1: curl vulnerabilities

USN-3882-1: curl vulnerabilities

curl vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 18.10
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary

Several security issues were fixed in curl.

Software Description

• curl – HTTP, HTTPS, and FTP client and client libraries

Details

Wenxiang Qian discovered that curl incorrectly handled certain NTLM
authentication messages. A remote attacker could possibly use this issue to
cause curl to crash, resulting in a denial of service. This issue only
applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10.
(CVE-2018-16890)

Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2
authentication messages. A remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, and Ubuntu 18.10. (CVE-2019-3822)

Brian Carpenter discovered that curl incorrectly handled certain SMTP
responses. A remote attacker could possibly use this issue to cause curl to
crash, resulting in a denial of service. (CVE-2019-3823)

Update instructions

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

Ubuntu 18.10

curl – 7.61.0-1ubuntu2.3

libcurl3-gnutls – 7.61.0-1ubuntu2.3

libcurl3-nss – 7.61.0-1ubuntu2.3

libcurl4 – 7.61.0-1ubuntu2.3

Ubuntu 18.04 LTS

curl – 7.58.0-2ubuntu3.6

libcurl3-gnutls – 7.58.0-2ubuntu3.6

libcurl3-nss – 7.58.0-2ubuntu3.6

libcurl4 – 7.58.0-2ubuntu3.6

Ubuntu 16.04 LTS

curl – 7.47.0-1ubuntu2.12

libcurl3 – 7.47.0-1ubuntu2.12

libcurl3-gnutls – 7.47.0-1ubuntu2.12

libcurl3-nss – 7.47.0-1ubuntu2.12

Ubuntu 14.04 LTS

curl – 7.35.0-1ubuntu2.20

libcurl3 – 7.35.0-1ubuntu2.20

libcurl3-gnutls – 7.35.0-1ubuntu2.20

libcurl3-nss – 7.35.0-1ubuntu2.20

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2018-16890
• CVE-2019-3822
• CVE-2019-3823

Source: USN-3882-1: curl vulnerabilities