漏洞描述
dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.
影响产品
暂无结构化产品信息。
修复建议
建议关注厂商安全公告，及时升级至已修复版本，并结合实际资产暴露情况采取缓解措施。
参考链接
www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-0840.html↗kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761↗secunia.comhttp://secunia.com/advisories/44089↗securitytracker.comhttp://securitytracker.com/id?1025300↗www.securityfocus.comhttp://www.securityfocus.com/bid/47176↗www.ubuntu.comhttp://www.ubuntu.com/usn/USN-1108-1↗www.isc.orghttps://www.isc.org/software/dhcp/advisories/cve-2011-0997↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0926↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0886↗slackware.comhttp://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345↗lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html↗www.debian.orghttp://www.debian.org/security/2011/dsa-2216↗exchange.xforce.ibmcloud.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/66580↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0909↗www.mandriva.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:073↗secunia.comhttp://secunia.com/advisories/44180↗secunia.comhttp://secunia.com/advisories/44048↗www.kb.cert.orghttp://www.kb.cert.org/vuls/id/107886↗security.gentoo.orghttp://security.gentoo.org/glsa/glsa-201301-06.xml↗lists.fedoraproject.orghttp://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html↗www.osvdb.orghttp://www.osvdb.org/71493↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0965↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0879↗secunia.comhttp://secunia.com/advisories/44103↗www.redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-0428.html↗www.debian.orghttp://www.debian.org/security/2011/dsa-2217↗bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=689832↗secunia.comhttp://secunia.com/advisories/44037↗oval.cisecurity.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12812↗secunia.comhttp://secunia.com/advisories/44090↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/1000↗marc.infohttp://marc.info/?l=bugtraq&m=133226187115472&w=2↗secunia.comhttp://secunia.com/advisories/44127↗www.vupen.comhttp://www.vupen.com/english/advisories/2011/0915↗