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Article Number: 000194531


DSA-2021-284: Dell EMC RecoverPoint Security Update for Apache Log4j Remote Code Execution Vulnerability (CVE-2021-44228, CVE-2021-45046, and CVE-2021-45105)

Summary: Dell EMC RecoverPoint remediation is available for the Apache Log4j Remote Code Execution Vulnerability that may be exploited by malicious users to compromise the affected system. DellSee more

Article Content


Impact

Critical

Details

Third-party Component  CVEs  More information 
Apache Log4j  CVE-2021-44228  Apache Log4j Remote Code Execution 
CVE-2021-45046 Apache Log4j Remote Code Execution 
CVE-2021-45105 Denial of Service attack
Third-party Component  CVEs  More information 
Apache Log4j  CVE-2021-44228  Apache Log4j Remote Code Execution 
CVE-2021-45046 Apache Log4j Remote Code Execution 
CVE-2021-45105 Denial of Service attack

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

 
Product  Affected Versions  Updated Versions  Link to Update 
RecoverPoint Classic
 
5.1 SP4
5.1 SP4 P1
5.1 SP3
5.1 SP3 P1
5.1.4.2
https://www.dell.com/support/home/en-us/product-support/product/recoverpoint-cl/drivers
RecoverPoint for Virtual Machines  5.3 SP2 P1
5.3 SP1 P1
5.3 SP2
5.3 SP1
 5.3.2.2 https://www.dell.com/support/home/en-us/product-support/product/recoverpoint-for-virtual-machines/drivers
RecoverPoint for Virtual Machines  5.2 SP2 P4
5.2 SP2
5.2 SP2 P3
5.2 SP2 P2
5.2 SP2 P1
5.2 SP1
  Dell Technologies recommends customers apply the temporary resolution, detailed in the Workaround and Mitigation section of this DSA. A permanent remediation for this issue will be released in the future release of the impacted version in line.
 
Note: The RecoverPoint for VMs unsupported versions are also impacted and so the customers need to upgrade to the RecoverPoint supported versions.
 
Product  Affected Versions  Updated Versions  Link to Update 
RecoverPoint Classic
 
5.1 SP4
5.1 SP4 P1
5.1 SP3
5.1 SP3 P1
5.1.4.2
https://www.dell.com/support/home/en-us/product-support/product/recoverpoint-cl/drivers
RecoverPoint for Virtual Machines  5.3 SP2 P1
5.3 SP1 P1
5.3 SP2
5.3 SP1
 5.3.2.2 https://www.dell.com/support/home/en-us/product-support/product/recoverpoint-for-virtual-machines/drivers
RecoverPoint for Virtual Machines  5.2 SP2 P4
5.2 SP2
5.2 SP2 P3
5.2 SP2 P2
5.2 SP2 P1
5.2 SP1
  Dell Technologies recommends customers apply the temporary resolution, detailed in the Workaround and Mitigation section of this DSA. A permanent remediation for this issue will be released in the future release of the impacted version in line.
 
Note: The RecoverPoint for VMs unsupported versions are also impacted and so the customers need to upgrade to the RecoverPoint supported versions.

Workarounds and Mitigations

Below is the workaround for CVE-2021-44228 and CVE-2021-45046 for the customers who do not want to upgrade to the latest patch to be provided by RecoverPoint.

RecoverPoint for VMs (All versions before 5.3 SP2 P2):

Run the following signed script on all vRPAs and reboot them one by one:

  1. Use SSH or PuTTY to log in as admin > [2] Setup > [8] Advanced options > [4] Run script.
  2. Paste the following signed script (including # sign):
    NzVjNjQ0MTc2ZTVhNjI5MjA0ZjcxNDg1ZTQ2YTA1MDUKdW5saW1pdGVkCm5vdF9yZXN0cmljdGVk
    ClRoZSBpZCBvZiB0aGUgc2NyaXB0IGlzOjAwMDE5NDUzMQpNaXRpZ2F0ZSBsb2c0aiBpc3N1ZQpB
    c3NpZiBIYWwKZm9yIGZpbGUgaW4gYGZpbmQgL3xncmVwICJsb2c0ai1jb3JlLipqYXIiYDsgZG8K
    CWlmIFtbIGB1bnppcCAtcSAtbCAke2ZpbGV9IHwgZ3JlcCAtY2kgSm5kaUxvb2t1cC5jbGFzc2Ag
    LWVxIDAgXV07CgkJdGhlbgoJCQllY2hvICIkZmlsZSBkb2VzIG5vdCBjb250YWluIEpuZGlMb29r
    dXAuY2xhc3MuIFNraXBwaW5nIGl0LiIKCWVsc2UKCQllY2hvICJSZW1vdmluZyBKbmRpTG9va3Vw
    LmNsYXNzIGZyb20gJHtmaWxlfSIKCQl6aXAgLXEgLWQgJHtmaWxlfSBvcmcvYXBhY2hlL2xvZ2dp
    bmcvbG9nNGovY29yZS9sb29rdXAvSm5kaUxvb2t1cC5jbGFzcyAmPi9kZXYvbnVsbAoJZmkKZG9u
    ZQppZiBbWyBgZ3JlcCAtYyBMT0c0Sl9GT1JNQVRfTVNHX05PX0xPT0tVUFMgL3Jvb3QvLnRjc2hy
    Y2AgLWVxIDAgXV07IHRoZW4KCWVjaG8gInNldGVudiBMT0c0Sl9GT1JNQVRfTVNHX05PX0xPT0tV
    UFMgdHJ1ZSIgPj4gL3Jvb3QvLnRjc2hyYwpmaQo=
    #
  3. Enter your name.
  4. Reboot the vRPA > [M] Main Menu > [5] Shutdown or Reboot operations > [1] Reboot RPA.

RecoverPoint for VMs Plugin Server (All versions before 5.3 SP2):
  • Upgrade to 5.3 SP2 Plugin.
Or
  • Log in as root to the Plugin Server and run the following command:
zip -q -d /opt/rpcenter/rp_life_cycle/rp_cleanup_tool/lib/log4j-core*.jar org/apache/logging/log4j/core/lookup/JndiLookup.class


RecoverPoint Classic (All versions before 5.1 SP4 P2):

Run the following signed script on all RPAs or vRPA and reboot them one by one:
  1. Use SSH or PuTTY to log in as boxmgmt > [2] Setup > [8] Advanced options > [4] Run script.
  2. Paste the following signed script (including # sign):
    NzVjNjQ0MTc2ZTVhNjI5MjA0ZjcxNDg1ZTQ2YTA1MDUKdW5saW1pdGVkCm5vdF9yZXN0cmljdGVk
    ClRoZSBpZCBvZiB0aGUgc2NyaXB0IGlzOjAwMDE5NDUzMQpNaXRpZ2F0ZSBsb2c0aiBpc3N1ZQpB
    c3NpZiBIYWwKZm9yIGZpbGUgaW4gYGZpbmQgL3xncmVwICJsb2c0ai1jb3JlLipqYXIiYDsgZG8K
    CWlmIFtbIGB1bnppcCAtcSAtbCAke2ZpbGV9IHwgZ3JlcCAtY2kgSm5kaUxvb2t1cC5jbGFzc2Ag
    LWVxIDAgXV07CgkJdGhlbgoJCQllY2hvICIkZmlsZSBkb2VzIG5vdCBjb250YWluIEpuZGlMb29r
    dXAuY2xhc3MuIFNraXBwaW5nIGl0LiIKCWVsc2UKCQllY2hvICJSZW1vdmluZyBKbmRpTG9va3Vw
    LmNsYXNzIGZyb20gJHtmaWxlfSIKCQl6aXAgLXEgLWQgJHtmaWxlfSBvcmcvYXBhY2hlL2xvZ2dp
    bmcvbG9nNGovY29yZS9sb29rdXAvSm5kaUxvb2t1cC5jbGFzcyAmPi9kZXYvbnVsbAoJZmkKZG9u
    ZQppZiBbWyBgZ3JlcCAtYyBMT0c0Sl9GT1JNQVRfTVNHX05PX0xPT0tVUFMgL3Jvb3QvLnRjc2hy
    Y2AgLWVxIDAgXV07IHRoZW4KCWVjaG8gInNldGVudiBMT0c0Sl9GT1JNQVRfTVNHX05PX0xPT0tV
    UFMgdHJ1ZSIgPj4gL3Jvb3QvLnRjc2hyYwpmaQo=
    #
  3. Enter your name.
  4. Reboot the RPA or vRPA > [M] Main Menu > [5] Shutdown or Reboot operations > [1] Reboot RPA.

Revision History

Revision Date Description 
1.02021-12-15Workaround 
1.12021-12-17Updated workaround including RPC plugin server.
1.22021-12-20Updated the affected versions section
1.32021-12-21Updated another CVE-2021-45105 for 2.16 log4j versions
1.42021-12-22Removed CVE-2021-45105 based on review comments
2.02022-01-11RecoverPoint for VMs release 5.3.2.2
3.02022-02-01RecoverPoint Classic release 5.1.4.2

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation shall apply to the extent permissible under law.

Article Properties


Affected Product

RecoverPoint, Product Security Information, RecoverPoint, RecoverPoint CL

Last Published Date

01 Feb 2022

Version

8

Article Type

Dell Security Advisory