中危 linux linux_kernel 认证机制不恰当

CVE编号

CVE-2002-2438

利用情况

暂无

补丁情况

官方补丁

披露时间

2021-05-18

漏洞描述

TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
http://www.openwall.com/lists/oss-security/2012/02/03/7
http://www.openwall.com/lists/oss-security/2012/05/29/8
http://www.openwall.com/lists/oss-security/2012/05/30/11
http://www.openwall.com/lists/oss-security/2012/05/30/12
http://www.openwall.com/lists/oss-security/2012/05/30/13
http://www.openwall.com/lists/oss-security/2012/05/30/2
http://www.openwall.com/lists/oss-security/2012/05/30/4
http://www.openwall.com/lists/oss-security/2012/05/30/8
http://www.openwall.com/lists/oss-security/2012/05/30/9
http://www.openwall.com/lists/oss-security/2012/05/31/3
http://www.openwall.com/lists/oss-security/2014/02/12/8
https://bugzilla.suse.com/show_bug.cgi?id=744994%2C
https://security.netapp.com/advisory/ntap-20210727-0003/
https://www.kb.cert.org/vuls/id/464113
https://www.kb.cert.org/vuls/id/464113%2C
https://www.openwall.com/lists/oss-security/2012/02/03/7

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
	系统	linux	linux_kernel	*		Up to (excluding) 2.4.20
	运行在以下环境
	系统	ubuntu_12.04.5_lts	linux	*		Up to (excluding) 2.4.20

阿里云评分 6.3

• 攻击路径 本地
• 攻击复杂度 复杂
• 权限要求 无需权限
• 影响范围 越权影响
• 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 无影响
• 服务器危害 无影响
• 全网数量 N/A

CWE-ID	漏洞类型
CWE-287	认证机制不恰当

Exp相关链接

- avd.aliyun.com