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CVE-2013-4548

Quick assessment

Affected
n/a n/a
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.

OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 6.2和6.3版本中的sshd守护进程中的monitor_wrap.c文件中的‘mm_newkeys_from_blob’函数中存在内存损坏漏洞，该漏洞源于当程序使用AES-GCM加密算法时，守护进程没有正确初始化MAC数据结构内存。远程经过授权的攻击者可通过提供

AI Predicted 7.8 Difficulty: Moderate EPSS 2.67% · P85
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I. Basic Information for CVE-2013-4548

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.
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
OpenSSH ‘mm_newkeys_from_blob’函数权限许可和访问控制漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenSSH（OpenBSD Secure Shell）是OpenBSD计划组所维护的一套用于安全访问远程计算机的连接工具。该工具是SSH协议的开源实现，支持对所有的传输进行加密，可有效阻止窃听、连接劫持以及其他网络级的攻击。 OpenSSH 6.2和6.3版本中的sshd守护进程中的monitor_wrap.c文件中的‘mm_newkeys_from_blob’函数中存在内存损坏漏洞，该漏洞源于当程序使用AES-GCM加密算法时，守护进程没有正确初始化MAC数据结构内存。远程经过授权的攻击者可通过提供
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
- n/a n/a -

II. Public POCs for CVE-2013-4548

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III. Intelligence Information for CVE-2013-4548

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Vendor Advisories for CVE-2013-4548 (1)

Mailing List Discussions for CVE-2013-4548 (3)

Other References for CVE-2013-4548 (1)

Same Patch Batch · n/a · 2013-11-08 · 14 CVEs total

CVE-2013-3986 IBM Lotus Sametime 缓冲区溢出漏洞
CVE-2013-4508 lighttpd 加密问题漏洞
CVE-2013-4050 IBM Domino Web Administrator 跨站请求伪造漏洞
CVE-2013-4051 IBM Domino Web Administrator 跨站脚本漏洞
CVE-2013-4055 IBM Domino Web Administrator 跨站脚本漏洞
CVE-2013-4716 Tattyan HP TOWN 跨站脚本漏洞
CVE-2013-4987 PineApp Mail-SeCure 本地提权漏洞
CVE-2013-5553 Cisco IOS 内存泄露漏洞
CVE-2013-5554 Cisco WAAS Mobile 目录遍历漏洞
CVE-2013-5558 Cisco TelePresence VX Clinical Assistant 身份认证绕过漏洞
CVE-2013-5565 Cisco IOS XR Software 远程拒绝服务漏洞
CVE-2013-5566 Cisco MDS 9000 NX-OS Software VRRP报文远程拒绝服务漏洞
CVE-2013-6230 ISC BIND Winsock WSAIoctl API 权限许可和访问控制

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2013-4548

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