Alerts This Week
Warning Icon 1 770
Alerts This Week
Warning Icon 1 770

SUSE: 2022:2806-1 Important: Open-Iscsi Memory Access & TCP Fixes

suse
Calendar Grey August 15, 2022
Dist Suse Esm H88
Critical memory access issues fixed in open-iscsi for SUSE Linux 12-SP3. Immediate action required for security!
An update that fixes three vulnerabilities is now available

Summary

This update for open-iscsi fixes the following issues: Fixed various vulnerabilities in the embedded TCP/IP stack (bsc#1179908): - CVE-2020-13987: Fixed an out of bounds memory access when calculating the checksums for IP packets. - CVE-2020-13988: Fixed an integer overflow when parsing TCP MSS options of IPv4 network packets. - CVE-2020-17437: Fixed an out of bounds memory access when the TCP urgent flag is set. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 12-SP3-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-2806=1 Package List: - SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

Topics%20covered

Topics Covered

security advisory network security memory access important fix open-iscsi SUSE Linux Enterprise TCP overflow

References

#1179908

Cross- CVE-2020-13987 CVE-2020-13988 CVE-2020-17437

CVSS scores:

CVE-2020-13987 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-13987 (SUSE): 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CVE-2020-13988 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-13988 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-17437 (NVD) : 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

CVE-2020-17437 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Products:

SUSE Linux Enterprise Server 12-SP3-BCL

https://www.suse.com/security/cve/CVE-2020-13987.html

https://www.suse.com/security/cve/CVE-2020-13988.html

https://www.suse.com/security/cve/CVE-2020-17437.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2806-1
Rating: important

Topics%20covered

Topics Covered

security advisory network security memory access important fix open-iscsi SUSE Linux Enterprise TCP overflow

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here