Detections
Analytics
EulerOS 2.0 SP2 : libksba (EulerOS-SA-2021-1317)
high Nessus Plugin ID 146660
Synopsis
The remote EulerOS host is missing multiple security updates.Description
According to the versions of the libksba package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :- The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.(CVE-2016-4356)
- Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data.
NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.(CVE-2016-4574)
- Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via unspecified vectors, related to the 'returned length of the object from _ksba_ber_parse_tl.'(CVE-2016-4579)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected libksba packages.See Also
Plugin Details
Severity: High
ID: 146660
File Name: EulerOS_SA-2021-1317.nasl
Version: 1.3
Type: local
Family: Huawei Local Security Checks
Published: 2/22/2021
Updated: 1/19/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2016-4579
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:huawei:euleros:libksba, cpe:/o:huawei:euleros:2.0
Required KB Items: Host/local_checks_enabled, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp
Excluded KB Items: Host/EulerOS/uvp_version
Exploit Ease: No known exploits are available
Patch Publication Date: 2/19/2021