※ 本文转录自 [Lan] 信箱 作者: [email protected] (TWCERT/CC Fellows) 标题: 【TWCERT/CC安全通报】 TW-CA-2005-046-[RHSA-200 时间: Fri Apr 22 16:58:04 2005 -----BEGIN PGP SIGNED MESSAGE----- TW-CA-2005-046-[RHSA-2005:363-03: Critical: RealPlayer security update] ──────────────────────────────────────── TWCERT/CC发布日期：2005-04-22 原漏洞发布日期：2005-04-20 原漏洞最新更新日期：-- 通用安全漏洞编号：CAN-2005-0755 分类：Gain Privilege 来源参考：RHSA-2005:363-03 ──── 简述 ───────────────────────────────── 更新 RealPlayer 套件，修正一个缓冲区溢位问题。 Red Hat Security Response Team 将此列为关键的安全更新。 ──── 说明 ───────────────────────────────── RealPlayer 是个媒体播放程式，提供稳定的播放功能，可播放本地端媒体或网路串流媒体 ，播放档案类型包括 RealAudio、RealVideo、MP3、3GPP Video、Flash、SMIL 2.0、JPEG 、GIF、PNG、RealPix、RealText 等。 RealPlayer 在处理 RAM 格式的档案时，有个缓冲区溢位问题。攻击者可以建立一个精心设 计的 RAM 档案，当使用者开启这个档案时，攻击者即可执行任意程式码。 CVE（cve.mitre.org）已将此问题命名为 CAN-2005-0755。 建议所有 RealPlayer 使用者更新此勘误套件，内含 RealPlayer 10.0.4，可防止使用者受 此弱点影响。 ──── 影响平台 ─────────────────────────────── ‧Red Hat Enterprise Linux AS version 4 Extras - i386, x86_64 ‧Red Hat Desktop version 4 Extras - i386, x86_64 ‧Red Hat Enterprise Linux ES version 4 Extras - i386, x86_64 ‧Red Hat Enterprise Linux WS version 4 Extras - i386, x86_64 ──── 修正方式 ─────────────────────────────── 在安装更新之前，确定已安装之前所有跟系统相关的错误修正。使用 Red Hat Network 来 下载及更新套件，输入以下指令启动 Red Hat Update Agent： up2date 若要获得更多手动安装套件的资讯，请参阅下面网址，寻求适合您系统的指引手册： http://www.redhat.com/docs/manuals/enterprise/ Bug IDs fixed（详见 http://bugzilla.redhat.com/）： 153931 - RealPlayer 缓冲区溢位 RPM 需求： Red Hat Enterprise Linux AS version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Desktop version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Enterprise Linux ES version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Enterprise Linux WS version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm 这些套件基於安全理由，均由 Red Hat 公司使用 GPG 签章，可至下列网址取得 key： https://www.redhat.com/security/team/key.html#package ──── 影响结果 ─────────────────────────────── ──── 联络TWCERT/CC ───────────────────────────── Tel: 886-7-5250211 FAX: 886-7-5250212 886-2-23563303 886-2-23924082 Email: [email protected] URL: http://www.cert.org.tw/ PGP key: http://www.cert.org.tw/eng/pgp.htm ──────────────────────────────────────── 附件：[Critical: RealPlayer security update] ──── 原文 ───────────────────────────────── - - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Critical: RealPlayer security update Advisory ID: RHSA-2005:363-03 Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-363.html Issue date: 2005-04-20 Updated on: 2005-04-20 Product: Red Hat Enterprise Linux Extras CVE Names: CAN-2005-0755 - - --------------------------------------------------------------------- 1. Summary: An updated RealPlayer package that fixes a buffer overflow issue is now available. This update has been rated as having critical security impact by the Red Hat Security Response Team. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS version 4 Extras - i386, x86_64 Red Hat Desktop version 4 Extras - i386, x86_64 Red Hat Enterprise Linux ES version 4 Extras - i386, x86_64 Red Hat Enterprise Linux WS version 4 Extras - i386, x86_64 3. Problem description: RealPlayer is a media player that provides solid media playback locally and via streaming. It plays RealAudio, RealVideo, MP3, 3GPP Video, Flash, SMIL 2.0, JPEG, GIF, PNG, RealPix and RealText and more. A buffer overflow bug was found in the way RealPlayer processes RAM files. An attacker could create a specially crafted RAM file which could execute arbitrary code when opened by a user. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-0755 to this issue. All users of RealPlayer are advised to upgrade to this updated package, which contains RealPlayer version 10.0.4 and is not vulnerable to this issue. 4. Solution: Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/ 5. Bug IDs fixed (http://bugzilla.redhat.com/): 153931 - RealPlayer buffer overflow 6. RPMs required: Red Hat Enterprise Linux AS version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Desktop version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Enterprise Linux ES version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm Red Hat Enterprise Linux WS version 4 Extras: i386: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm x86_64: d7ee50d68f5a9350ac307c04ecbe7539 RealPlayer-10.0.4-0.rc1.1.i386.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://www.redhat.com/security/team/key/#package 7. References: http://service.real.com/help/faq/security/050419_player/EN/ http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0755 8. Contact: The Red Hat security contact is <[email protected]>. More contact details at https://www.redhat.com/security/team/contact/ ──────────────────────────────────────── -----BEGIN PGP SIGNATURE----- Version: PGP 7.0.4 iQEVAwUBQmi71KcyQYefg2/NAQH7BwgAg9iqssZqm+0DzdESmMxztd6wOfQAdg6L eJw5a9dt4OEG378a1SNaIV3jri0K0m1/BtTATcWvix60YiCfn7t3U23qv2QPzYwl l9NKvnDppx47+26f+soUV+9dklXfr3cKZHElFyrbipbmurx7KG2HYgFbDSp7attM sn64titbswtGZDSB6c/27MbNpSpP8V0eSLst1qn6uCzSSu2XbS64Rk1KdPWHo7QI 9+7+mHEiGjlFU3nhbmgMnXsST4/4tF6Fmb8tUo1JIS7+qDWDIsivuelVAZIzHXvV ttkqVthIeLZv+XsdstdOCjHk7xyqhIBvjeWrGts/KXaoSA4g3MywVg== =SAAR -----END PGP SIGNATURE----- -- Taiwan Computer Emergency Response Team Security Advisory mailing list. Mail to : [email protected] and include a line "subscribe advisory". Please visit http://www.cert.org.tw/. PGP key : http://www.cert.org.tw/eng/pgp.htm