RHSA-2018:3157: Moderate: curl and nss-pem security and bug fix update

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.<br>The nss-pem package provides the PEM file reader for Network Security Services (NSS) implemented as a PKCS#11 module.<br>Security Fix(es):<br><li> curl: HTTP authentication leak in redirects (CVE-2018-1000007)</li> <li> curl: FTP path trickery leads to NIL byte out of bounds write (CVE-2018-1000120)</li> <li> curl: RTSP RTP buffer over-read (CVE-2018-1000122)</li> <li> curl: Out-of-bounds heap read when missing RTSP headers allows information leak of denial of service (CVE-2018-1000301)</li> <li> curl: LDAP NULL pointer dereference (CVE-2018-1000121)</li> For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.<br>Red Hat would like to thank the Curl project for reporting these issues. Upstream acknowledges Craig de Stigter as the original reporter of CVE-2018-1000007; Duy Phan Thanh as the original reporter of CVE-2018-1000120; Max Dymond as the original reporter of CVE-2018-1000122; the OSS-fuzz project as the original reporter of CVE-2018-1000301; and Dario Weisser as the original reporter of CVE-2018-1000121.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.