CVE-2019-3698— nagios cron job allows privilege escalation from user nagios to root
Quick assessment
Affected
SUSE SUSE Linux Enterprise Server 12
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nagios是美国Nagios公司的一套开源的免费网络监视工具。 SUSE Linux Enterprise Server 12版本中的Nagios 3.5.1之前版本和SUSE Linux Enterprise Server 11版本中的Nagios 3.0.6之前版本存在后置链接漏洞。本地攻击者可利用该漏洞导致拒绝服务或提升权限。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1564.004 · NTFS File Attributes
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I. Basic Information for CVE-2019-3698
Vulnerability Information
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Vulnerability Title
nagios cron job allows privilege escalation from user nagios to root
Source: CVE Program / CVE List V5
Vulnerability Description
UNIX Symbolic Link (Symlink) Following vulnerability in the cronjob shipped with nagios of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 11; openSUSE Factory allows local attackers to cause cause DoS or potentially escalate privileges by winning a race. This issue affects: SUSE Linux Enterprise Server 12 nagios version 3.5.1-5.27 and prior versions. SUSE Linux Enterprise Server 11 nagios version 3.0.6-1.25.36.3.1 and prior versions. openSUSE Factory nagios version 4.4.5-2.1 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Nagios 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nagios是美国Nagios公司的一套开源的免费网络监视工具。 SUSE Linux Enterprise Server 12版本中的Nagios 3.5.1之前版本和SUSE Linux Enterprise Server 11版本中的Nagios 3.0.6之前版本存在后置链接漏洞。本地攻击者可利用该漏洞导致拒绝服务或提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 12 | nagios ~ 3.5.1-5.27 | - |
|
| SUSE | SUSE Linux Enterprise Server 11 | nagios ~ 3.0.6-1.25.36.3.1 | - |
|
| openSUSE | Factory | nagios ~ 4.4.5-2.1 | - |
|
II. Public POCs for CVE-2019-3698
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-3698 (1)
-
https://bugzilla.suse.com/show_bug.cgi?id=1156309 x_refsource_CONFIRM
Mailing List Discussions for CVE-2019-3698 (2)
-
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00014.html vendor-advisory x_refsource_SUSE
-
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00022.html vendor-advisory x_refsource_SUSE
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V. Comments for CVE-2019-3698
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