CVE:CVE-2008-1152
CNNVD:CNNVD-200803-448
Cisco IOS是思科网络设备中所使用的互联网操作系统。
数据-链路交换(DLSw)允许通过IP网络传输IBM系统网络架构(SNA)和网络基本输入/输出系统(NetBIOS)通讯。Cisco的DLSw实现还使用UDP 2067端口和IP 91协 议进行快速顺序传输(FST)。  
Cisco IOS在处理UDP和IP 91协议报文时存在多个漏洞，这些漏洞不影响TCP报文处理，成功攻击可能导致系统重启或设备内存泄露，造成拒绝服务的情况。
solution:Upgrade cisco cisco_ios to a higher version than 12.0:da,12.0:db,12.0:dc,12.0:s,12.0:sc,12.0:sl,12.0:sp,12.0:st,12.0:sx,12.0:sy,12.0:sz,12.0:t,12.0:wc,12.0:wt,12.0:xa,12.0:xb,12.0:xc,12.0:xd,12.0:xe,12.0:xf,12.0:xg,12.0:xh,12.0:xi,12.0:xj,12.0:xk,12.0:xl,12.0:xm,12.0:xn,12.0:xo,12.0:xq,12.0:xr,12.0:xs,12.0:xv,12.0:xw,12.1:aa,12.1:ax,12.1:az,12.1:b,12.1:c,12.1:cx,12.1:d,12.1:da,12.1:db,12.1:dc,12.1:e,12.1:ea,12.1:eb,12.1:ec,12.1:eo,12.1:eu,12.1:ew,12.1:ex,12.1:ey,12.1:ez,12.1:ga,12.1:gb,12.1:xa,12.1:xb,12.1:xc,12.1:xd,12.1:xe,12.1:xf,12.1:xg,12.1:xh,12.1:xi,12.1:xj,12.1:xk,12.1:xl,12.1:xm,12.1:xp,12.1:xq,12.1:xr,12.1:xs,12.1:xt,12.1:xv,12.1:xw,12.1:xx,12.1:xy,12.1:xz,12.1:ya,12.1:yb,12.1:yc,12.1:yd,12.1:ye,12.1:yf,12.1:yh,12.1:yi,12.1:yj,12.2:b,12.2:bc,12.2:bw,12.2:by,12.2:bz,12.2:cx,12.2:cy,12.2:da,12.2:dd,12.2:dx,12.2:eu,12.2:ew,12.2:ewa,12.2:ex,12.2:ey,12.2:ez,12.2:fz,12.2:ixa,12.2:ixb,12.2:ixc,12.2:ixd,12.2:ja,12.2:mb,12.2:mc,12.2:s,12.2:sb,12.2:sbc,12.2:se,12.2:sea,12.2:seb,12.2:sec,12.2:sed,12.2:see,12.2:sef,12.2:seg,12.2:sg,12.2:sga,12.2:sm,12.2:so,12.2:sra,12.2:srb,12.2:st,12.2:su,12.2:sv,12.2:sw,12.2:sxa,12.2:sxb,12.2:sxd,12.2:sy,12.2:sz,12.2:t,12.2:tpc,12.2:uz,12.2:xa,12.2:xb,12.2:xc,12.2:xd,12.2:xe,12.2:xf,12.2:xg,12.2:xh,12.2:xi,12.2:xj,12.2:xk,12.2:xl,12.2:xm,12.2:xn,12.2:xq,12.2:xr,12.2:xs,12.2:xt,12.2:xu,12.2:xv,12.2:xw,12.2:ya,12.2:yb,12.2:yc,12.2:ye,12.2:yj,12.2:yk,12.2:yl,12.2:ym,12.2:yn,12.2:yo,12.2:yp,12.2:yq,12.2:yr,12.2:ys,12.2:yt,12.2:yu,12.2:yv,12.2:yx,12.2:yy,12.2:za,12.2:zb,12.2:zc,12.2:zd,12.2:ze,12.2:zf,12.2:zg,12.2:zh,12.2:zj,12.2:zl,12.2:zp,12.2:zy,12.3,12.3:b,12.3:bc,12.3:bw,12.3:eu,12.3:ja,12.3:jea,12.3:jeb,12.3:jec,12.3:jl,12.3:jx,12.3:t,12.3:tpc,12.3:va,12.3:xa,12.3:xb,12.3:xc,12.3:xd,12.3:xe,12.3:xf,12.3:xg,12.3:xh,12.3:xi,12.3:xj,12.3:xk,12.3:xq,12.3:xr,12.3:xs,12.3:xu,12.3:xw,12.3:xy,12.3:ya,12.3:yd,12.3:yf,12.3:yg,12.3:yh,12.3:yi,12.3:yj,12.3:yk,12.3:ym,12.3:yq,12.3:ys,12.3:yt,12.3:yu,12.3:yx,12.3:yz,12.4,12.4:ja,12.4:jk,12.4:jma,12.4:jmb,12.4:jmc,12.4:jx,12.4:md,12.4:mr,12.4:sw,12.4:t,12.4:xa,12.4:xb,12.4:xc,12.4:xd,12.4:xe,12.4:xf,12.4:xg,12.4:xj,12.4:xk,12.4:xl,12.4:xm,12.4:xn,12.4:xt,12.4:xv,12.4:xw,12.4:xy,and avoid the version 12.0:da,12.0:db,12.0:dc,12.0:s,12.0:sc,12.0:sl,12.0:sp,12.0:st,12.0:sx,12.0:sy,12.0:sz,12.0:t,12.0:wc,12.0:wt,12.0:xa,12.0:xb,12.0:xc,12.0:xd,12.0:xe,12.0:xf,12.0:xg,12.0:xh,12.0:xi,12.0:xj,12.0:xk,12.0:xl,12.0:xm,12.0:xn,12.0:xo,12.0:xq,12.0:xr,12.0:xs,12.0:xv,12.0:xw,12.1:aa,12.1:ax,12.1:az,12.1:b,12.1:c,12.1:cx,12.1:d,12.1:da,12.1:db,12.1:dc,12.1:e,12.1:ea,12.1:eb,12.1:ec,12.1:eo,12.1:eu,12.1:ew,12.1:ex,12.1:ey,12.1:ez,12.1:ga,12.1:gb,12.1:xa,12.1:xb,12.1:xc,12.1:xd,12.1:xe,12.1:xf,12.1:xg,12.1:xh,12.1:xi,12.1:xj,12.1:xk,12.1:xl,12.1:xm,12.1:xp,12.1:xq,12.1:xr,12.1:xs,12.1:xt,12.1:xv,12.1:xw,12.1:xx,12.1:xy,12.1:xz,12.1:ya,12.1:yb,12.1:yc,12.1:yd,12.1:ye,12.1:yf,12.1:yh,12.1:yi,12.1:yj,12.2:b,12.2:bc,12.2:bw,12.2:by,12.2:bz,12.2:cx,12.2:cy,12.2:da,12.2:dd,12.2:dx,12.2:eu,12.2:ew,12.2:ewa,12.2:ex,12.2:ey,12.2:ez,12.2:fz,12.2:ixa,12.2:ixb,12.2:ixc,12.2:ixd,12.2:ja,12.2:mb,12.2:mc,12.2:s,12.2:sb,12.2:sbc,12.2:se,12.2:sea,12.2:seb,12.2:sec,12.2:sed,12.2:see,12.2:sef,12.2:seg,12.2:sg,12.2:sga,12.2:sm,12.2:so,12.2:sra,12.2:srb,12.2:st,12.2:su,12.2:sv,12.2:sw,12.2:sxa,12.2:sxb,12.2:sxd,12.2:sy,12.2:sz,12.2:t,12.2:tpc,12.2:uz,12.2:xa,12.2:xb,12.2:xc,12.2:xd,12.2:xe,12.2:xf,12.2:xg,12.2:xh,12.2:xi,12.2:xj,12.2:xk,12.2:xl,12.2:xm,12.2:xn,12.2:xq,12.2:xr,12.2:xs,12.2:xt,12.2:xu,12.2:xv,12.2:xw,12.2:ya,12.2:yb,12.2:yc,12.2:ye,12.2:yj,12.2:yk,12.2:yl,12.2:ym,12.2:yn,12.2:yo,12.2:yp,12.2:yq,12.2:yr,12.2:ys,12.2:yt,12.2:yu,12.2:yv,12.2:yx,12.2:yy,12.2:za,12.2:zb,12.2:zc,12.2:zd,12.2:ze,12.2:zf,12.2:zg,12.2:zh,12.2:zj,12.2:zl,12.2:zp,12.2:zy,12.3,12.3:b,12.3:bc,12.3:bw,12.3:eu,12.3:ja,12.3:jea,12.3:jeb,12.3:jec,12.3:jl,12.3:jx,12.3:t,12.3:tpc,12.3:va,12.3:xa,12.3:xb,12.3:xc,12.3:xd,12.3:xe,12.3:xf,12.3:xg,12.3:xh,12.3:xi,12.3:xj,12.3:xk,12.3:xq,12.3:xr,12.3:xs,12.3:xu,12.3:xw,12.3:xy,12.3:ya,12.3:yd,12.3:yf,12.3:yg,12.3:yh,12.3:yi,12.3:yj,12.3:yk,12.3:ym,12.3:yq,12.3:ys,12.3:yt,12.3:yu,12.3:yx,12.3:yz,12.4,12.4:ja,12.4:jk,12.4:jma,12.4:jmb,12.4:jmc,12.4:jx,12.4:md,12.4:mr,12.4:sw,12.4:t,12.4:xa,12.4:xb,12.4:xc,12.4:xd,12.4:xe,12.4:xf,12.4:xg,12.4:xj,12.4:xk,12.4:xl,12.4:xm,12.4:xn,12.4:xt,12.4:xv,12.4:xw,12.4:xy; Upgrade cisco ios to a higher version than 12.0,12.2yd,12.2yf,12.2yg,12.2yh,and avoid the version 12.0,12.2yd,12.2yf,12.2yg,12.2yh