本帖最後由 hardrock 於 2014-9-27 23:02 編輯 ' t* G9 r* W& Y7 ?/ t2 J
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漏洞詳情頁面：http://seclists.org/oss-sec/2014/q3/650; m; _5 Y' r7 o
漏洞級別:非常嚴重
# n: J' s5 \) h漏洞信息：- v$ ~. ^4 h E; V# A4 L
1.測試是否存在漏洞，執行以下命令：, T/ i& h* u+ {8 q: \6 K
env t='() { :;}; echo You are vulnerable.' bash -c "true") } @. y% L$ @% L
如果顯示You are vulnerable，很遺憾，必須立即打上安全補丁修復/ c) y: r' A2 o2 V9 w
% M" w4 ?) P" A9 X: Q; T1 @( z如果出現提示
. F& p7 o" M$ ~! @& C- @& Jbash: warning: t: ignoring function definition attempt
2 p* d3 E \( y2 L% \. O. ebash: error importing function definition for `t'
. F5 H6 B4 _4 F2 Q: ^表示已經打好補丁
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2 t( ?) G: Q4 V記得升級打好補丁後，重啟系統。- X0 w3 W2 s; N& w, R1 C" Q
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2.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 f! a" z1 j6 z1 B+ p5 C, O centos:% G4 C! f! I: D: Q7 M
yum -y update bash
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ubuntu:3 Y2 ^3 L7 ~/ X" \
14.04 64bit
+ E9 d1 i e& u7 b! e, r: y4 k 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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% U F8 @; A: f9 F" z- W" x8 P 14.04 32bit2 ~/ C, N' {6 ]$ s/ D) W2 l
wget http://mirrors.aliyun.com/fix_stuff/bash_4.3-7ubuntu1.1_i386.deb && dpkg -i bash_4.3-7ubuntu1.1_i386.deb6 d5 V5 X( m0 ^% ~
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/ Q6 P/ p+ p# k& a3 N$ N 12.04 64bit
7 w/ U5 I7 [2 X9 c5 J1 s wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_amd64.deb && dpkg -i bash_4.2-2ubuntu2.2_amd64.deb8 Q) L. E* K7 ?0 q6 V6 `
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12.04 32bit
7 B) l* ?; N: l% y wget http://mirrors.aliyun.com/fix_stuff/bash_4.2-2ubuntu2.2_i386.deb && dpkg -i bash_4.2-2ubuntu2.2_i386.deb
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10.× 64bit* O( y: @6 Q: P! B& g% S
wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_amd64.deb && dpkg -i bash_4.1-2ubuntu3.1_amd64.deb/ B1 j! A; A5 A) H% k, k4 x0 I
8 n9 k% Y% S" p 10.× 32bit) @/ P3 T. ~) T; E: f9 U2 }9 ^
wget http://mirrors.aliyun.com/fix_stuff/bash_4.1-2ubuntu3.1_i386.deb && dpkg -i bash_4.1-2ubuntu3.1_i386.deb- T" r# L$ @: ?" k+ e# ? w: s+ d
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debian:8 F- N; }4 p) j. Z6 Y
7.5 64bit && 32bit* G2 f; n _# I8 l' h+ W; C
apt-get -y install --only-upgrade bash
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, m$ g7 W7 M: ?' Z! r: E1 E 6.0.x 64bit
; [6 y1 k0 x% V- K 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 32bit
+ t. g2 I: P' }: R wget http://mirrors.aliyun.com/debian ... 3%2bdeb6u1_i386.deb && dpkg -i bash_4.1-3+deb6u1_i386.deb
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opensuse:
+ [$ p, D& G6 x: P. C7 B 13.1 64bit
( y# n; L3 j; c4 J 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.rpm3 w9 [1 _) J) D
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13.1 32bit. s. W! I' h5 U9 e6 |
wget http://mirrors.aliyun.com/fix_stuff/bash-4.2-68.4.1.i586.rpm && rpm -Uvh bash-4.2-68.4.1.i586.rpm2 T' J* _( ^, g, ?( a% D
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aliyun linux:
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2 v9 K. |" Z: C+ D" {+ K wget http://mirrors.aliyun.com/centos ... 33.el5.1.x86_64.rpm && rpm -Uvh bash-3.2-33.el5.1.x86_64.rpm
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5.x 32bit' Y) J" N* _0 P- A; |0 E" E
wget http://mirrors.aliyun.com/centos ... 2-33.el5.1.i386.rpm && rpm -Uvh bash-3.2-33.el5.1.i386.rpm
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7 a# s5 u+ U2 T; _補充內容 (2014-10-2 17:37):+ J$ f, K5 g6 G _0 \9 U5 O2 P
http://www.laozuo.org/4071.html http://www.tennfy.com/2541.html
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補充內容 (2014-11-2 16:37):0 \" U! ~! s; \; Y
http://www.hostloc.com/thread-255868-1-1.html G- P1 I e3 K7 l. x
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補充內容 (2014-11-12 12:13):$ ?* T- I9 r' L7 I) [* _( M) H9 W5 ~
http://www.deepvps.com/linux-bash-vulnerability.html
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補充內容 (2014-11-16 23:28):: n) M/ S4 M9 b- W, g
cenotos重啟 service sshd restart 或 /etc/init.d/sshd restart 4 A$ E; i/ @/ k8 J, x
DeBian重啟SSH service ssh restart 或 /etc/init.d/ssh restart) A- @& D/ y$ C! W% P- {, G; ?* W
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補充內容 (2014-11-17 21:49):
; l b* ~, W: hLinux 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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