CVE-2018-1095
Quick assessment
Affected
n/a Linux kernel through version 4.15
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.
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 4.15.15版本及之前版本存在代码问题漏洞，该漏洞源于程序没有正确的校验xattr的大小。攻击者利用该漏洞造成拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2018-1095
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The ext4_xattr_check_entries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service (get_acl NULL pointer dereference and system crash) via a crafted ext4 image.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 4.15.15版本及之前版本存在代码问题漏洞，该漏洞源于程序没有正确的校验xattr的大小。攻击者利用该漏洞造成拒绝服务。
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 |
|---|---|---|---|---|
| - | Linux kernel through version 4.15 | Linux kernel through version 4.15 | - |
|
II. Public POCs for CVE-2018-1095
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2018-1095 (1)
Vendor Advisories for CVE-2018-1095 (5)
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https://bugzilla.redhat.com/show_bug.cgi?id=1560793 x_refsource_MISC
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https://bugzilla.kernel.org/show_bug.cgi?id=199185 x_refsource_MISC
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Mailing List Discussions for CVE-2018-1095 (1)
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http://openwall.com/lists/oss-security/2018/03/29/1 x_refsource_MISC
Same Patch Batch · n/a · 2018-04-02 · 12 CVEs total
| CVE-2018-9230 | OpenResty 安全漏洞 | |
| CVE-2018-9127 | Botan 安全漏洞 | |
| CVE-2018-9183 | Joomla! Joom Sky JS Jobs扩展跨站脚本漏洞 | |
| CVE-2018-0194 | Cisco IOS XE Software CLI解析器操作系统命令注入漏洞 | |
| CVE-2018-9163 | ZOHO ManageEngine Recovery Manager Plus 跨站脚本漏洞 | |
| CVE-2018-1092 | Linux kernel 代码问题漏洞 | |
| CVE-2018-1093 | Linux kernel 安全漏洞 | |
| CVE-2018-1094 | Linux kernel 代码问题漏洞 | |
| CVE-2018-9173 | Cagintranet Networks GetSimple CMS 跨站脚本漏洞 | |
| CVE-2018-9174 | Desdev DedeCMS 安全漏洞 | |
| CVE-2018-9175 | Desdev DedeCMS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2018-1095
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