CVE-2014-9421
Quick assessment
Affected
n/a n/a
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.
MIT Kerberos 5（又名krb5）是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。 MIT Kerberos 5的lib/rpc/auth_gssapi_misc.c文件中的‘auth_gssapi_unwrap_data’函数存在安全漏洞，该漏洞源于程序没有正确处理局部XDR声明。远程攻击者可借助畸形的XDR数据利用该漏洞造成拒绝服务（释放后重用和双重释放，守护进程崩溃）
Possible ATT&CK Techniques 2 AI
T1029 · Scheduled Transfer T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2014-9421
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via malformed XDR data, as demonstrated by data sent to kadmind.
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
MIT Kerberos 5 远程代码执行漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MIT Kerberos 5（又名krb5）是美国麻省理工学院（MIT）开发的一套网络认证协议，它采用客户端/服务器结构，并且客户端和服务器端均可对对方进行身份认证（即双重验证），可防止窃听、防止replay攻击等。 MIT Kerberos 5的lib/rpc/auth_gssapi_misc.c文件中的‘auth_gssapi_unwrap_data’函数存在安全漏洞，该漏洞源于程序没有正确处理局部XDR声明。远程攻击者可借助畸形的XDR数据利用该漏洞造成拒绝服务（释放后重用和双重释放，守护进程崩溃）
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2014-9421
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2014-9421 (1)
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https://github.com/krb5/krb5/commit/a197e92349a4aa2141b5dff12e9dd44c2a2166e3 x_refsource_CONFIRM
Vendor Advisories for CVE-2014-9421 (6)
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http://www.mandriva.com/security/advisories?name=MDVSA-2015:069 vendor-advisory x_refsource_MANDRIVA
Mailing List Discussions for CVE-2014-9421 (5)
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http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html vendor-advisory x_refsource_FEDORA
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http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html vendor-advisory x_refsource_FEDORA
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http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html vendor-advisory x_refsource_SUSE
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Other References for CVE-2014-9421 (2)
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http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txt x_refsource_CONFIRM
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http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt x_refsource_CONFIRM
Same Patch Batch · n/a · 2015-02-19 · 32 CVEs total
| CVE-2015-1614 | WordPress Image Metadata Cruncher插件跨站请求伪造漏洞 | |
| CVE-2015-1197 | cpio 目录遍历漏洞 | |
| CVE-2015-0626 | Cisco Hosted Collaboration Solution 输入验证漏洞 | |
| CVE-2015-0623 | Cisco Web Security Appliance Administrator report页面跨站脚本漏洞 | |
| CVE-2015-0622 | Cisco Wireless LAN Controller Wireless Intrusion Detection功能输入验证漏洞 | |
| CVE-2015-1349 | ISC BIND named进程资源管理错误漏洞 | |
| CVE-2014-6147 | IBM Flex System Manager 信息泄露漏洞 | |
| CVE-2014-5286 | 多款TIBCO产品ActiveMatrix Policy Manager Authentication模块权限许可和访问控制漏洞 | |
| CVE-2014-9423 | MIT Kerberos 5 信息泄露漏洞 | |
| CVE-2014-9422 | MIT krb5 kadmind 安全绕过漏洞 | |
| CVE-2014-6304 | PNMsoft Sequence Kinetics 信息泄露漏洞 | |
| CVE-2014-6303 | PNMsoft Sequence Kinetics Monitoring Administration页面资源管理错误漏洞 | |
| CVE-2014-6302 | PNMsoft Sequence Kinetics 安全漏洞 | |
| CVE-2014-6301 | PNMsoft Sequence Kinetics tables-management模块跨站脚本漏洞 | |
| CVE-2014-5352 | MIT krb5 libgssapi_krb5库远程代码执行漏洞 | |
| CVE-2015-1879 | WordPress Google Doc Embedder插件跨站脚本漏洞 | |
| CVE-2014-3578 | Pivotal Software Spring Framework 目录遍历漏洞 | |
| CVE-2015-1604 | Adminsystems CMS 输入验证漏洞 | |
| CVE-2015-1603 | Adminsystems CMS 跨站脚本漏洞 | |
| CVE-2015-1592 | Six Apart Movable Type 代码注入漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
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V. Comments for CVE-2014-9421
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