CVE-2018-14619
Quick assessment
Affected
[UNKNOWN] kernel
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基金会发布的开源操作系统Linux所使用的内核。crypto subsystem是其中的一个加密子系统。 Linux kerne 4.15-rc4之前版本中的crypto子系统存在安全漏洞。本地攻击者可利用该漏洞造成系统崩溃并可能提升权限。
Possible ATT&CK Techniques 1 AI
T1069 · Permission Groups Discovery
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I. Basic Information for CVE-2018-14619
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the crypto subsystem of the Linux kernel before version kernel-4.15-rc4. The "null skcipher" was being dropped when each af_alg_ctx was freed instead of when the aead_tfm was freed. This can cause the null skcipher to be freed while it is still in use leading to a local user being able to crash the system or possibly escalate privileges.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel crypto子系统安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。crypto subsystem是其中的一个加密子系统。 Linux kerne 4.15-rc4之前版本中的crypto子系统存在安全漏洞。本地攻击者可利用该漏洞造成系统崩溃并可能提升权限。
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
II. Public POCs for CVE-2018-14619
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2018-14619 (1)
Vendor Advisories for CVE-2018-14619 (3)
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14619 x_refsource_CONFIRM
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Other References for CVE-2018-14619 (1)
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https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0013 x_refsource_CONFIRM
Same Patch Batch · [UNKNOWN] · 2018-08-30 · 4 CVEs total
| CVE-2018-10936 | postgresql-jdbc 安全漏洞 | |
| CVE-2018-14621 | libtirpc 安全漏洞 | |
| CVE-2018-14622 | libtirpc 安全漏洞 |
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V. Comments for CVE-2018-14619
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