本帖最後由 hardrock 於 2014-9-27 23:02 編輯
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! \7 h Z2 w; N漏洞詳情頁面：http://seclists.org/oss-sec/2014/q3/650
0 _/ [0 I$ o+ j6 ]. {2 r! ], j; M漏洞級別:非常嚴重
. D* |; o1 [5 b. X( |% i& E漏洞信息：8 T8 w% F1 w% | K7 I
1.測試是否存在漏洞，執行以下命令：- C3 Q, {+ k6 [2 l/ e: r- x6 i
env t='() { :;}; echo You are vulnerable.' bash -c "true"
( a, x/ O+ \2 a0 d9 n+ W. t, O如果顯示You are vulnerable，很遺憾，必須立即打上安全補丁修復, V2 K' ]( \9 O! I
% |+ |# e4 w+ R' f7 ]" i4 W如果出現提示
! w8 N) y( M! Q+ Hbash: warning: t: ignoring function definition attempt G! P/ P' p' E4 ^! X# T9 H
bash: error importing function definition for `t'# T* M2 w5 c8 x _
表示已經打好補丁
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- @# ?: L5 S: G) `. {8 Q記得升級打好補丁後，重啟系統。
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Z; m0 l# P% a5 @& M2.修復漏洞辦法 更新來自阿里雲的方法：http://bbs.aliyun.com/read/176977.html
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7 _+ |- d8 H' {- z3 I0 P |+ A centos:
& W0 b$ h0 R8 ~9 N/ W yum -y update bash2 v9 ]) ]' e" `9 x( {7 F
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14.04 64bit
8 @+ a/ R3 t% S5 [' x/ F3 C wget http://mirrors.aliyun.com/fix_stuff/bash_4.3-7ubuntu1.1_amd64.deb && dpkg -i bash_4.3-7ubuntu1.1_amd64.deb
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14.04 32bit
: C% V" x! @! Z+ _; y wget http://mirrors.aliyun.com/fix_stuff/bash_4.3-7ubuntu1.1_i386.deb && dpkg -i bash_4.3-7ubuntu1.1_i386.deb$ I1 v, p! t9 m: [
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12.04 64bit
" [" ^, i7 a! ]3 m) u0 R2 v& R wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_amd64.deb && dpkg -i bash_4.2-2ubuntu2.2_amd64.deb A3 Q5 x: c, c/ k4 e/ a
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12.04 32bit& n* |9 f9 a* Y, z
wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_i386.deb && dpkg -i bash_4.2-2ubuntu2.2_i386.deb) O. B/ i% W7 _- E5 Q9 R
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wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_amd64.deb && dpkg -i bash_4.1-2ubuntu3.1_amd64.deb
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: L4 q# r6 E* l7 f: T3 {5 R8 |( I& W 10.× 32bit
; ~ ?5 U: U0 a7 x3 U: d wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_i386.deb && dpkg -i bash_4.1-2ubuntu3.1_i386.deb
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( r0 @' r' G1 @5 P0 g7 U debian:
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# }4 C- l0 o# [: W' p apt-get -y install --only-upgrade bash
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: \! }( O# @5 ~# O. I 6.0.x 64bit; ], }. ^- g1 b" e
wget http://mirrors.aliyun.com/debian ... %2bdeb6u1_amd64.deb && dpkg -i bash_4.1-3+deb6u1_amd64.deb
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6.0.x 32bit9 P$ S9 O9 J3 W. j3 U1 x
wget http://mirrors.aliyun.com/debian ... 3%2bdeb6u1_i386.deb && dpkg -i bash_4.1-3+deb6u1_i386.deb
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13.1 64bit3 p. s6 }- ], R' @( \3 k0 y5 Q; |
wget http://mirrors.aliyun.com/fix_stuff/bash-4.2-68.4.1.x86_64.rpm && rpm -Uvh bash-4.2-68.4.1.x86_64.rpm& D+ c0 i/ D$ Q. @8 ~' d
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! n" {* v% D; r) s. r/ A 13.1 32bit
$ p, L2 e# I: [- l+ [: ]- c wget http://mirrors.aliyun.com/fix_stuff/bash-4.2-68.4.1.i586.rpm && rpm -Uvh bash-4.2-68.4.1.i586.rpm( v: F4 _- H! r* b3 `8 g. q. A
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aliyun linux:
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9 D9 D1 G2 [4 e/ c" N$ r wget http://mirrors.aliyun.com/centos ... 33.el5.1.x86_64.rpm && rpm -Uvh bash-3.2-33.el5.1.x86_64.rpm# P. I. s1 k" h# {( e0 u: j
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* i/ ~, [" O. u wget http://mirrors.aliyun.com/centos ... 2-33.el5.1.i386.rpm && rpm -Uvh bash-3.2-33.el5.1.i386.rpm& A# n8 K) Z& b* p
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- z. O5 Q1 K2 I3 f% K4 n& f+ _補充內容 (2014-10-2 17:37):
( n" K4 l& V. _1 K0 E" Vhttp://www.laozuo.org/4071.html http://www.tennfy.com/2541.html
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+ {+ b* [* H2 @+ u9 y( C補充內容 (2014-11-2 16:37):. g$ _+ E5 S* T$ Z: x& r
http://www.hostloc.com/thread-255868-1-1.html- w9 |' a; j' B: N) X
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補充內容 (2014-11-12 12:13):
' N/ G9 _2 w/ s5 u. `http://www.deepvps.com/linux-bash-vulnerability.html
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! w7 N5 [8 l9 O9 Y7 I! {補充內容 (2014-11-16 23:28):3 w/ }4 b0 v$ q
cenotos重啟 service sshd restart 或 /etc/init.d/sshd restart
1 J4 p9 K& _5 ]* sDeBian重啟SSH service ssh restart 或 /etc/init.d/ssh restart
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補充內容 (2014-11-17 21:49):7 }$ Q9 {+ u) F) u2 E0 g- I, ?
Linux CentOS修改SSH默認端口http://www.paipat.com/?post=36 http://www.cnblogs.com/ginoz/archive/2012/07/31/2617097.html http://blog.csdn.net/tianlesoftware/article/details/6201898 |
發表於 2014-9-27 22:51:19
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