Red Hat Security Advisory: OpenShift Container Platform 4.8.15 packages and security update

Fixed packages 3

Vulnerabilities 6

• High 7.5
  CVE-2021-21671

  Session fixation vulnerability in Jenkins

  Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.

  Jenkins Project Jenkins org.jenkins-ci.main:jenkins-core Web / CMS Maven
  Jun 30, 2021
• Medium 4.3
  CVE-2021-21670

  Improper permission checks allow canceling queue items and aborting builds in Jenkins

  Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.

  Jenkins Project Jenkins org.jenkins-ci.main:jenkins-core Web / CMS Maven
  Jun 30, 2021
• Unscored —
  CVE-2021-33195

  Improper sanitization when resolving values from DNS in net

  Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

  golang go stdlib golang-1.8 Debian Ubuntu Azure Linux Alpine Go
  Aug 2, 2021
• Unscored —
  CVE-2021-33197

  Attacker can drop certain headers in net/http/httputil

  In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

  golang go stdlib golang-1.8 Debian Ubuntu Azure Linux Alpine Go
  Aug 2, 2021
• Unscored —
  CVE-2021-33198

  Panic on inputs with large exponents in math/big

  In Go before 1.15.13 and 1.16.x before 1.16.5, there can be a panic for a large exponent to the math/big.Rat SetString or UnmarshalText method.

  go stdlib golang-1.8 golang-1.16 Debian Ubuntu Alpine Go
  Aug 2, 2021
• Unscored —
  CVE-2021-34558 Public exploit

  Panic on certain certificates in crypto/tls

  The crypto/tls package of Go through 1.16.5 does not properly assert that the type of public key in an X.509 certificate matches the expected type when doing a RSA based key exchange, allowing a malicious TLS server to cause a TLS client to panic.

  golang go stdlib golang-1.8 Debian Ubuntu Azure Linux Alpine Go
  Jul 15, 2021

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1983596
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1989564
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1989570
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1989575
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2007749
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2007750
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2013510
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3820.json
• report
  https://access.redhat.com/security/cve/CVE-2021-21670
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-21670
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-21670
• article
  https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278
• report
  https://access.redhat.com/security/cve/CVE-2021-21671
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-21671
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-21671
• article
  https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371
• report
  https://access.redhat.com/security/cve/CVE-2021-33195
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33195
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33195
• article
  https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
• report
  https://access.redhat.com/security/cve/CVE-2021-33197
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33197
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33197
• report
  https://access.redhat.com/security/cve/CVE-2021-33198
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-33198
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-33198
• report
  https://access.redhat.com/security/cve/CVE-2021-34558
• advisory
  https://www.cve.org/CVERecord?id=CVE-2021-34558
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2021-34558
• article
  https://golang.org/doc/devel/release#go1.15.minor
• article
  https://golang.org/doc/devel/release#go1.16.minor