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
Source: USN-3882-1: curl vulnerabilities
