SUSE update for strongswan
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-41991 |
| CWE-ID | CWE-190 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SUSE OpenStack Cloud Crowbar Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system HPE Helion Openstack Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system SUSE OpenStack Cloud Operating systems & Components / Operating system strongswan-libs0-debuginfo Operating systems & Components / Operating system package or component strongswan-libs0 Operating systems & Components / Operating system package or component strongswan-ipsec-debuginfo Operating systems & Components / Operating system package or component strongswan-ipsec Operating systems & Components / Operating system package or component strongswan-hmac Operating systems & Components / Operating system package or component strongswan-debugsource Operating systems & Components / Operating system package or component strongswan Operating systems & Components / Operating system package or component strongswan-doc Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Integer overflow
EUVDB-ID: #VU57553
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-41991
CWE-ID:
CWE-190 - Integer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing multiple requests with different certificates. A remote attacker can send specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationUpdate the affected package strongswan to the latest version.
Vulnerable software versionsSUSE OpenStack Cloud Crowbar: 8 - 9
SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4
HPE Helion Openstack: 8
SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5
SUSE OpenStack Cloud: 8 - 9
strongswan-libs0-debuginfo: before 5.1.3-26.16.1
strongswan-libs0: before 5.1.3-26.16.1
strongswan-ipsec-debuginfo: before 5.1.3-26.16.1
strongswan-ipsec: before 5.1.3-26.16.1
strongswan-hmac: before 5.1.3-26.16.1
strongswan-debugsource: before 5.1.3-26.16.1
strongswan: before 5.1.3-26.16.1
strongswan-doc: before 5.1.3-26.16.1
CPE2.3- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud_crowbar:9:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP3:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:12-SP4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:hpe_helion_openstack:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP2-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-BCL:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3-LTSS:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud:8:*:*:*:*:*:*:*
- cpe:2.3:o:suse:suse_openstack_cloud:9:*:*:*:*:*:*:*
- cpe:2.3:a:suse:strongswan-libs0-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-libs0:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-ipsec-debuginfo:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-ipsec:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-hmac:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-debugsource:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:strongswan-doc:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2021/suse-su-20213468-1/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
