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CVE-2018-14633

Quick assessment

Affected
The Linux Foundation kernel
Exploitation
High exploitation probability; assess promptly
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 4.18.x版本，4.14.x版本和3.10.x版本存在缓冲区错误漏洞。远程攻击者可利用该漏洞导致拒绝服务（系统崩溃）。

AI Predicted 7.5 Difficulty: Moderate EPSS 8.74% · P95

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-14633

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw was found in the chap_server_compute_md5() function in the ISCSI target code in the Linux kernel in a way an authentication request from an ISCSI initiator is processed. An unauthenticated remote attacker can cause a stack buffer overflow and smash up to 17 bytes of the stack. The attack requires the iSCSI target to be enabled on the victim host. Depending on how the target's code was built (i.e. depending on a compiler, compile flags and hardware architecture) an attack may lead to a system crash and thus to a denial-of-service or possibly to a non-authorized access to data exported by an iSCSI target. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is highly unlikely. Kernel versions 4.18.x, 4.14.x and 3.10.x are believed to be vulnerable.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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 4.18.x版本，4.14.x版本和3.10.x版本存在缓冲区错误漏洞。远程攻击者可利用该漏洞导致拒绝服务（系统崩溃）。
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
The Linux Foundation kernel 4.18.x, 4.14.x, 3.10.x -

II. Public POCs for CVE-2018-14633

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III. Intelligence Information for CVE-2018-14633

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Patches & Fixes for CVE-2018-14633 (2)

Vendor Advisories for CVE-2018-14633 (14)

Mailing List Discussions for CVE-2018-14633 (2)

IV. Related Vulnerabilities

Same product: kernel
Same vendor: The Linux Foundation
Same weakness: CWE-121

V. Comments for CVE-2018-14633

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