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Ubuntu 20.04 LTS USN-6259-1 Critical: Open-iSCSI IP Packet Issues

ubuntu
Calendar Grey July 27, 2023
Dist Ubuntu Esm H88
Critical patch released for Open-iSCSI security issues impacting various Ubuntu editions. Ensure you upgrade immediately to safeguard your environment.
Several security issues were fixed in Open-iSCSI.

Summary

Several security issues were fixed in Open-iSCSI.

Software Description:

- open-iscsi: Open Source iSCSI implementation

Details:

Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that

Open-iSCSI incorrectly handled certain checksums for IP packets.

An attacker could possibly use this issue to expose sensitive information.

(CVE-2020-13987)

Jos Wetzels, Stanislav Dashevskyi, Amine Amri discovered that

Open-iSCSI incorrectly handled certain parsing TCP MSS options.

An attacker could possibly use this issue to cause a crash or cause

unexpected behavior. (CVE-2020-13988)

Amine Amri and Stanislav Dashevskyi discovered that Open-iSCSI

incorrectly handled certain TCP data. An attacker could possibly

use this issue to expose sensitive information. (CVE-2020-17437)

Topics%20covered

Topics Covered

security advisory critical Ubuntu information exposure open-iscsi IP packet issue

Update Instructions

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

Ubuntu 20.04 LTS:
  open-iscsi                      2.0.874-7.1ubuntu6.4

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  open-iscsi                      2.0.874-5ubuntu2.11+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  open-iscsi                      2.0.873+git0.3b4b4500-14ubuntu3.7+esm1

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

References

https://ubuntu.com/security/notices/USN-6259-1

CVE-2020-13987, CVE-2020-13988, CVE-2020-17437

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6259-1

Topics%20covered

Topics Covered

security advisory critical Ubuntu information exposure open-iscsi IP packet issue

Package Information

https://launchpad.net/ubuntu/+source/open-iscsi/2.0.874-7.1ubuntu6.4

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