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CVE-2011-0284

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.

Kerberos是一款广泛使用的超强加密来验证客户端和服务器端的网络协议。 MIT Kerberos在"do_as_req.c"的实现上存在远程内存破坏漏洞，攻击者可利用此漏洞以超级用户的权限，借助包含类型化数据的e_data字段，执行任意代码，完全控制受影响计算机，造成拒绝服务。 如果krb5-1.7或较高版本的KDC配置为响应PKINIT请求，即启用了"初始验证公开密钥加密"PKINIT功能，就会受到双重释放内存破坏漏洞的影响，造成程序崩溃或执行任意代码。

AI Predicted 9.1 Difficulty: Easy EPSS 8.27% · P95
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I. Basic Information for CVE-2011-0284

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.
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 KDC 'do_as_req.c'双重释放内存破坏漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kerberos是一款广泛使用的超强加密来验证客户端和服务器端的网络协议。 MIT Kerberos在"do_as_req.c"的实现上存在远程内存破坏漏洞，攻击者可利用此漏洞以超级用户的权限，借助包含类型化数据的e_data字段，执行任意代码，完全控制受影响计算机，造成拒绝服务。 如果krb5-1.7或较高版本的KDC配置为响应PKINIT请求，即启用了"初始验证公开密钥加密"PKINIT功能，就会受到双重释放内存破坏漏洞的影响，造成程序崩溃或执行任意代码。
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-2011-0284

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III. Intelligence Information for CVE-2011-0284

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Vendor Advisories for CVE-2011-0284 (17)

Mailing List Discussions for CVE-2011-0284 (2)

Other References for CVE-2011-0284 (2)

Same Patch Batch · n/a · 2011-03-20 · 15 CVEs total

CVE-2011-0421 PHP Zip扩展_zip_name_locate函数拒绝服务漏洞
CVE-2011-0708 PHP Exif扩展exif.c拒绝服务漏洞
CVE-2011-1024 OpenLDAP back-ldap chain.c外部程序认证绕过漏洞
CVE-2011-1025 OpenLDAP back-ndb bind.cpp访问限制绕过漏洞
CVE-2011-1027 Lars_Hjemli cgit convert_query_hexchar函数无限循环拒绝服务漏洞
CVE-2011-1081 OpenLDAP slapd modrdn.c拒绝服务漏洞
CVE-2011-1464 PHP strval函数缓冲区溢出漏洞
CVE-2011-1465 Google Chrome net/http/http_network_transaction.cc SPDY实现拒绝服务漏洞
CVE-2011-1466 PHP Calendar SdnToJulian函数整数溢出漏洞
CVE-2011-1467 PHP Intl扩展NumberFormatter::setSymbol函数拒绝服务漏洞
CVE-2011-1468 PHP OpenSSL扩展多个内存泄露漏洞
CVE-2011-1469 PHP Streams组件拒绝服务漏洞
CVE-2011-1470 PHP Zip扩展拒绝服务漏洞
CVE-2011-1471 PHP Zip扩展zip_stream.c整数符号错误漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2011-0284

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