CVE编号
CVE-2011-4862利用情况
暂无补丁情况
官方补丁披露时间
2011-12-25漏洞描述
FreeBSD是一款基于BSD的操作系统。FreeBSD Telnet协议有一个对数据流进行加密的机制(但其加密性不强，不能在任何关键性安全应用上使用)。当通过TELNET协议提供加密密钥时，在拷贝密钥到固定缓冲区时没有对其长度进行校验，可触发缓冲区溢出。能连接telnetd守护程序的攻击者可以以守护进程上下文执行任意代码。解决建议
用户可参考如下供应商提供的安全公告获得补丁：http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc
参考链接 |
|
|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2011-12/0172.html | |
| http://git.savannah.gnu.org/cgit/inetutils.git/commit/?id=665f1e73cdd9b38e2d2... | |
| http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071627.html | |
| http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071640.html | |
| http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006117.html | |
| http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006118.html | |
| http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006119.html | |
| http://lists.freebsd.org/pipermail/freebsd-security/2011-December/006120.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00007.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html | |
| http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00015.html | |
| http://osvdb.org/78020 | |
| http://secunia.com/advisories/46239 | |
| http://secunia.com/advisories/47341 | |
| http://secunia.com/advisories/47348 | |
| http://secunia.com/advisories/47357 | |
| http://secunia.com/advisories/47359 | |
| http://secunia.com/advisories/47373 | |
| http://secunia.com/advisories/47374 | |
| http://secunia.com/advisories/47397 | |
| http://secunia.com/advisories/47399 | |
| http://secunia.com/advisories/47441 | |
| http://security.freebsd.org/advisories/FreeBSD-SA-11:08.telnetd.asc | |
| http://security.freebsd.org/patches/SA-11:08/telnetd.patch | |
| http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-008.txt | |
| http://www.debian.org/security/2011/dsa-2372 | |
| http://www.debian.org/security/2011/dsa-2373 | |
| http://www.debian.org/security/2011/dsa-2375 | |
| http://www.exploit-db.com/exploits/18280/ | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2011:195 | |
| http://www.redhat.com/support/errata/RHSA-2011-1851.html | |
| http://www.redhat.com/support/errata/RHSA-2011-1852.html | |
| http://www.redhat.com/support/errata/RHSA-2011-1853.html | |
| http://www.redhat.com/support/errata/RHSA-2011-1854.html | |
| http://www.securitytracker.com/id?1026460 | |
| http://www.securitytracker.com/id?1026463 | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/71970 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | h5l | heimdal | * |
Up to (including) 1.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | mit | krb5-appl | * |
Up to (including) 1.02 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_5 | heimdal | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_5 | inetutils | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_5 | krb5 | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | heimdal | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | inetutils | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | krb5 | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_5.0 | heimdal | * |
Up to (excluding) 1.2.dfsg.1-2.1+lenny1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_5.0 | inetutils | * |
Up to (excluding) 1.2.dfsg.1-2.1+lenny1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_5.0 | krb5 | * |
Up to (excluding) 1.2.dfsg.1-2.1+lenny1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_6 | heimdal | * |
Up to (excluding) 1.4.0~git20100726.dfsg.1-2+squeeze1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_6 | inetutils | * |
Up to (excluding) 1.4.0~git20100726.dfsg.1-2+squeeze1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_6 | krb5 | * |
Up to (excluding) 1.4.0~git20100726.dfsg.1-2+squeeze1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.3 | heimdal | * |
Up to (excluding) 1.0-4.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.3 | inetutils | * |
Up to (excluding) 1.0-4.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.3 | krb5 | * |
Up to (excluding) 1.0-4.5.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.4 | heimdal | * |
Up to (excluding) 1.0-7.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.4 | inetutils | * |
Up to (excluding) 1.0-7.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_11.4 | krb5 | * |
Up to (excluding) 1.0-7.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_5 | heimdal | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_5 | inetutils | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_5 | krb5 | * |
Up to (excluding) 1.6.1-63.el5_7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | heimdal | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | inetutils | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | krb5 | * |
Up to (excluding) 1.0.1-7.el6_2 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
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