USN-3598-1: curl vulnerabilities

Releases

• Ubuntu 17.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

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

Details

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An
attacker could use this to cause a denial of service or possibly execute
arbitrary code. (CVE-2018-1000120)

Dario Weisser discovered that curl incorrectly handled certain LDAP URLs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-1000121)

Max Dymond discovered that curl incorrectly handled certain RTSP data. An
attacker could possibly use this to cause a denial of service or even to
get access to sensitive data. (CVE-2018-1000122)

Update instructions

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

Ubuntu 17.10

• curl - 7.55.1-1ubuntu2.4
• libcurl3 - 7.55.1-1ubuntu2.4
• libcurl3-gnutls - 7.55.1-1ubuntu2.4
• libcurl3-nss - 7.55.1-1ubuntu2.4

Ubuntu 16.04

• curl - 7.47.0-1ubuntu2.7
• libcurl3 - 7.47.0-1ubuntu2.7
• libcurl3-gnutls - 7.47.0-1ubuntu2.7
• libcurl3-nss - 7.47.0-1ubuntu2.7

Ubuntu 14.04

• curl - 7.35.0-1ubuntu2.15
• libcurl3 - 7.35.0-1ubuntu2.15
• libcurl3-gnutls - 7.35.0-1ubuntu2.15
• libcurl3-nss - 7.35.0-1ubuntu2.15

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

References

• CVE-2018-1000120
• CVE-2018-1000121
• CVE-2018-1000122

Related notices

• USN-3598-2: libcurl3, curl, libcurl3-gnutls, libcurl3-nss