CVE-2019-18902— wicked: Use-after-free when receiving invalid DHCP6 client options
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I. Basic Information for CVE-2019-18902
Vulnerability Information
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Vulnerability Title
wicked: Use-after-free when receiving invalid DHCP6 client options
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Use After Free vulnerability in wicked of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15; openSUSE Leap 15.1, Factory allows remote attackers to cause DoS or potentially code execution. This issue affects: SUSE Linux Enterprise Server 12 wicked versions prior to 0.6.60-3.5.1. SUSE Linux Enterprise Server 15 wicked versions prior to 0.6.60-3.21.1. openSUSE Leap 15.1 wicked versions prior to 0.6.60-lp151.2.6.1. openSUSE Factory wicked versions prior to 0.6.62.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
SUSE Linux Enterprise Server、openSUSE Leap和openSUSE Factory wicked 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE和SUSE Linux Enterprise Server都是德国SUSE公司的产品。openSUSE是一套基于Linux的自由操作系统与开源社区项目。SUSE Linux Enterprise Server是一套企业服务器版Linux操作系统。 SUSE Linux Enterprise Server、openSUSE Leap和openSUSE Factory中的wicked存在资源管理错误漏洞。远程攻击者可利用该漏洞导致拒绝服务或执行代码。以下产品及版本受到影响：SUSE Linux
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 | wicked ~ 0.6.60-3.5.1 | - | |
| SUSE | SUSE Linux Enterprise Server 15 | wicked ~ 0.6.60-3.21.1 | - | |
| openSUSE | Leap 15.1 | wicked ~ 0.6.60-lp151.2.6.1 | - | |
| openSUSE | Factory | wicked ~ 0.6.62 | - |
II. Public POCs for CVE-2019-18902
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.suse.com/show_bug.cgi?id=1160903x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-18902
Same Patch Batch · SUSE · 2020-03-02 · 5 CVEs total
| CVE-2019-18897 | 8.4 HIGH | Local privilege escalation from user salt to root |
| CVE-2019-18903 | 7.5 HIGH | wicked: Use-after-free when receiving invalid DHCP6 IA_PD option |
| CVE-2019-18901 | 5.1 MEDIUM | mysql-systemd-helper allows setting 640 permissions of arbitrary files |
| CVE-2020-8013 | 2.2 LOW | permissions: chkstat sets unintended setuid/capabilities for mrsh and wodim |
IV. Related Vulnerabilities
Same product: SUSE Linux Enterprise Server 12
- CVE-2022-45154
supportconfig does not remove passwords in /etc/iscsi/iscsid - CVE-2019-18905
Deprecated functionality in autoyast2 automatically imports - CVE-2019-18903
wicked: Use-after-free when receiving invalid DHCP6 IA_PD op - CVE-2020-8013
permissions: chkstat sets unintended setuid/capabilities for - CVE-2019-18901
mysql-systemd-helper allows setting 640 permissions of arbit
Same vendor: SUSE
- CVE-2026-25702
nftables disabled due to incorrect kernel backport - CVE-2025-62879
Rancher Backup Operator pod's logs leak S3 tokens - CVE-2025-62878
Local Path Provisioner vulnerable to Path Traversal via para - CVE-2025-67601
Rancher CLI skips TLS verification on Rancher CLI login comm - CVE-2025-67860
NeuVector scanner insecurely handles passwords as command ar
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