安全研究
安全漏洞
RSync独立守护进程模式下未正确释放组特权漏洞
发布日期:2002-03-15
更新日期:2002-03-19
受影响系统:
rsync rsync 2.4.1不受影响系统:
- RedHat Linux 6.2 x86
- RedHat Linux 6.2 sparc
- RedHat Linux 6.2 alpha
- Trustix Secure Linux 1.01
rsync rsync 2.4.3
- Caldera Open Linux Workstation 3.1
- Caldera Open Linux Server 3.1
- Caldera Open Linux 2.3
- Trustix Secure Linux 1.01
rsync rsync 2.4.4
- RedHat Linux 7.1 x86
- RedHat Linux 7.1 alpha
- RedHat Linux 7.1 ia64
- RedHat Linux 7.0
- RedHat Linux 7.0 alpha
- RedHat Linux 7.0 x86
rsync rsync 2.4.6
- Conectiva Linux 7.0
- Conectiva Linux 6.0
- EnGarde Secure Linux 1.0.1
- Mandrake Linux 8.1
- Mandrake Linux 8.0
- Mandrake Linux 7.2
- Mandrake Linux 7.1
- RedHat Linux 7.2 ia64
- RedHat Linux 7.2 x86
- SuSE Linux 7.3 powerpc
- SuSE Linux 7.3 sparc
- SuSE Linux 7.2
- SuSE Linux 7.2 i386
- SuSE Linux 7.1 powerpc
- SuSE Linux 7.1
- SuSE Linux 7.1 alpha
- SuSE Linux 7.1 sparc
- SuSE Linux 7.1 i386
rsync rsync 2.5.0-1
- Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Workstation 3.1.1
rsync rsync 2.5.0-2
- Caldera eDesktop 2.4
- Caldera eServer 2.3.1
- Caldera Open Linux 2.3
- Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Server 3.1
- Caldera OpenLinux Workstation 3.1.1
- Caldera OpenLinux Workstation 3.1
- RedHat Linux 7.2
rsync rsync 2.5.1
- FreeBSD 4.5
- FreeBSD 4.4
- FreeBSD 4.3
- FreeBSD 4.2
- FreeBSD 4.1.1
- FreeBSD 4.1
rsync rsync 2.5.1_1
- FreeBSD 4.5
- FreeBSD 4.4
- FreeBSD 4.3
- FreeBSD 4.2
- FreeBSD 4.1.1
- FreeBSD 4.1
rsync rsync 2.5.4描述:
- Mandrake Linux 8.1
- Mandrake Linux 8.0
- Mandrake Linux 7.2
- Mandrake Linux 7.1
BUGTRAQ ID: 4285
CVE(CAN) ID: CVE-2002-0080
rsync用于网络间的文件、目录同步,通常FTP站点会用它来维护镜像内容,可运行于多种Unix/Linux平台。
Ethan Benson发现了一个问题。从命令行上以"rsync --daemon"方式启动rsync时,将继承该用户的GID,通常是root,这个临时特权未被正确释放。不过,缺省情况下,Mandrake Linux利用xinetd管理rsync守护进程。
<*来源:Ethan Benson
链接:http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-024.php
*>
建议:
临时解决方法:
如果您不能立刻安装补丁或者升级,NSFOCUS建议您采取以下措施以降低威胁:
* 没有合适的临时解决方法。
厂商补丁:
MandrakeSoft
------------
MandrakeSoft已经为此发布了一个安全公告(MDKSA-2002:024)以及相应补丁:
MDKSA-2002:024:rsync update
链接:http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-024.php3
补丁下载:
Linux-Mandrake 7.1:
fdfd74524914606306ab5717b696e030 7.1/RPMS/rsync-2.5.4-1.2mdk.i586.rpm
34a71b565a7413ecb4efe48acb4df65f 7.1/SRPMS/rsync-2.5.4-1.2mdk.src.rpm
Linux-Mandrake 7.2:
7eda7d7a7df5bf088a64990bf5c4d70d 7.2/RPMS/rsync-2.5.4-1.1mdk.i586.rpm
f425baa9b832265d6a199bd4409a28db 7.2/SRPMS/rsync-2.5.4-1.1mdk.src.rpm
Mandrake Linux 8.0:
914f020aa62c9ce6fdd61dfce245fc1c 8.0/RPMS/rsync-2.5.4-1.1mdk.i586.rpm
f425baa9b832265d6a199bd4409a28db 8.0/SRPMS/rsync-2.5.4-1.1mdk.src.rpm
Mandrake Linux 8.0/ppc:
c9c5275126721f7aa38f6a4e09742ce9 ppc/8.0/RPMS/rsync-2.5.4-1.1mdk.ppc.rpm
f425baa9b832265d6a199bd4409a28db ppc/8.0/SRPMS/rsync-2.5.4-1.1mdk.src.rpm
Mandrake Linux 8.1:
e3733dc91021b997e656fafe86915fe9 8.1/RPMS/rsync-2.5.4-1.1mdk.i586.rpm
f425baa9b832265d6a199bd4409a28db 8.1/SRPMS/rsync-2.5.4-1.1mdk.src.rpm
Corporate Server 1.0.1:
fdfd74524914606306ab5717b696e030 1.0.1/RPMS/rsync-2.5.4-1.2mdk.i586.rpm
34a71b565a7413ecb4efe48acb4df65f 1.0.1/SRPMS/rsync-2.5.4-1.2mdk.src.rpm
Single Network Firewall 7.2:
7eda7d7a7df5bf088a64990bf5c4d70d snf7.2/RPMS/rsync-2.5.4-1.1mdk.i586.rpm
f425baa9b832265d6a199bd4409a28db snf7.2/SRPMS/rsync-2.5.4-1.1mdk.src.rpm
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