CVE-2004-0107
CVSS4.6
发布时间 :2004-04-15 00:00:00
修订时间 :2010-08-21 00:19:34
NMCOPS    

[原文]The (1) post and (2) trigger scripts in sysstat 4.0.7 and earlier allow local users to overwrite arbitrary files via symlink attacks on temporary files, a different vulnerability than CVE-2004-0108.


[CNNVD]Sysstat/lsag以不安全方式创建临时文件漏洞(CNNVD-200404-054)

        
        Sysstat是一款Linux下收集系统信息的统计程序。
        Sysstat以不安全创建临时文件,本地攻击者可以利用这个漏洞利用符号连接破坏系统文件或造成权限提升。
        本地攻击者可以在/tmp目录下精心构建符号链接覆盖系统文件,造成本地拒绝服务或权限提升。
        其中Sysstat包含的lsag工具用于图形化显示这些统计,也存在同样问题。
        

- CVSS (基础分值)

CVSS分值: 4.6 [中等(MEDIUM)]
机密性影响: PARTIAL [很可能造成信息泄露]
完整性影响: PARTIAL [可能会导致系统文件被修改]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: LOCAL [漏洞利用需要具有物理访问权限或本地帐户]
身份认证: NONE [漏洞利用无需身份认证]

- CPE (受影响的平台与产品)

cpe:/a:sysstat:sysstat:4.1.4
cpe:/a:sysstat:sysstat:4.1.5
cpe:/a:sysstat:sysstat:4.1.7
cpe:/a:sysstat:sysstat:4.0.7
cpe:/a:sgi:propack:2.4SGI ProPack 2.4
cpe:/a:redhat:sysstat:4.0.7-3::i386
cpe:/a:sysstat:sysstat:5.0.1
cpe:/a:sysstat:sysstat:4.1.6
cpe:/a:sgi:propack:2.3SGI ProPack 2.3
cpe:/a:sysstat:sysstat:4.1.2
cpe:/a:sysstat:sysstat:4.1.1
cpe:/a:sysstat:sysstat:4.1.3

- OVAL (用于检测的技术细节)

oval:org.mitre.oval:def:862Red Hat Enterprise 3 sysstat port and trigger Scripts symlink Attack Vulnerability
oval:org.mitre.oval:def:849Red Hat sysstat port and trigger Scripts symlink Attack Vulnerability
oval:org.mitre.oval:def:10737The (1) post and (2) trigger scripts in sysstat 4.0.7 and earlier allow local users to overwrite arbitrary files via symlink attacks on temp...
*OVAL详细的描述了检测该漏洞的方法,你可以从相关的OVAL定义中找到更多检测该漏洞的技术细节。

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0107
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2004-0107
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200404-054
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/9838
(VENDOR_ADVISORY)  BID  9838
http://www.redhat.com/support/errata/RHSA-2004-053.html
(VENDOR_ADVISORY)  REDHAT  RHSA-2004:053
ftp://patches.sgi.com/support/free/security/advisories/20040302-01-U.asc
(PATCH)  SGI  20040302-01-U
http://xforce.iss.net/xforce/xfdb/15428
(UNKNOWN)  XF  sysstat-post-trigger-symlink(15428)
http://www.redhat.com/support/errata/RHSA-2004-093.html
(UNKNOWN)  REDHAT  RHSA-2004:093
http://www.osvdb.org/6884
(UNKNOWN)  OSVDB  6884
http://www.ciac.org/ciac/bulletins/o-097.shtml
(UNKNOWN)  CIAC  O-097

- 漏洞信息

Sysstat/lsag以不安全方式创建临时文件漏洞
中危 设计错误
2004-04-15 00:00:00 2005-10-28 00:00:00
本地  
        
        Sysstat是一款Linux下收集系统信息的统计程序。
        Sysstat以不安全创建临时文件,本地攻击者可以利用这个漏洞利用符号连接破坏系统文件或造成权限提升。
        本地攻击者可以在/tmp目录下精心构建符号链接覆盖系统文件,造成本地拒绝服务或权限提升。
        其中Sysstat包含的lsag工具用于图形化显示这些统计,也存在同样问题。
        

- 公告与补丁

        厂商补丁:
        RedHat
        ------
        RedHat已经为此发布了一个安全公告(RHSA-2004:093-01)以及相应补丁:
        RHSA-2004:093-01:Updated sysstat packages fix security vulnerabilities
        链接:https://www.redhat.com/support/errata/RHSA-2004-093.html
        补丁下载:
        RedHat sysstat-4.0.7-3.i386.rpm :
        Red Hat Upgrade sysstat-4.0.7-4.rhl9.1.i386.rpm
        ftp://updates.redhat.com/9/en/os/i386/sysstat-4.0.7-4.rhl9.1.i386.rpm
        Sysstat
        -------
        目前厂商已经发布了升级补丁以修复这个安全问题,请到厂商的主页下载:
        Sysstat Upgrade Sysstat 5.0.2
        
        http://perso.wanadoo.fr/sebastien.godard/download_en.html

- 漏洞信息 (F32841)

RHSA-2004:093-01.txt (PacketStormID:F32841)
2004-03-11 00:00:00
 
advisory
linux,redhat
CVE-2004-0107
[点击下载]

Red Hat Security Advisory RHSA-2004:093-01 - Alan Cox discovered a vulnerability in the systat package where the post and trigger scripts insecurely created temporary filenames, allowing for a symlink attack using /tmp.

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    <div class="h1"><h1>RHSA-2004:093-01.txt</h1></div>
<dl id="F32841" class="file first">
<dt><a class="ico text-plain" href="/files/download/32841/RHSA-2004%3A093-01.txt" title="Size: 3.9 KB"><strong>RHSA-2004:093-01.txt</strong></a></dt>
<dd class="datetime">Posted <a href="/files/date/2004-03-11/" title="16:44:38 UTC">Mar 11, 2004</a></dd>
<dd class="refer">Site <a href="https://www.redhat.com/solutions/security/news/contact.html">redhat.com</a></dd>
<dd class="detail"><p>Red Hat Security Advisory RHSA-2004:093-01 - Alan Cox discovered a vulnerability in the systat package where the post and trigger scripts insecurely created temporary filenames, allowing for a symlink attack using /tmp.</p></dd>
<dd class="tags"><span>tags</span> | <a href="/files/tags/advisory">advisory</a></dd>
<dd class="os"><span>systems</span> | <a href="/files/os/linux">linux</a>, <a href="/files/os/redhat">redhat</a></dd>
<dd class="cve"><span>advisories</span> | <a href="/files/cve/CVE-2004-0107">CVE-2004-0107</a></dd>
<dd class="md5"><span>MD5</span> | <code>43d951b7e20b40788c778ebd4604593e</code></dd>
<dd class="act-links"><a href="/files/download/32841/RHSA-2004%3A093-01.txt" title="Size: 3.9 KB" rel="nofollow">Download</a> | <a href="/files/favorite/32841/" class="fav" rel="nofollow">Favorite</a> | <a href="/files/32841/RHSA-2004-093-01.txt.html">Comments <span>(0)</span></a></dd>
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<div class="h1"><h1>RHSA-2004:093-01.txt</h1></div>
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<pre><code>-----BEGIN PGP SIGNED MESSAGE-----<br />Hash: SHA1<br /><br />- ---------------------------------------------------------------------<br />                   Red Hat Security Advisory<br /><br />Synopsis:          Updated sysstat packages fix security vulnerabilities<br />Advisory ID:       RHSA-2004:093-01<br />Issue date:        2004-03-10<br />Updated on:        2004-03-10<br />Product:           Red Hat Linux<br />Keywords:          <br />Cross references:  <br />Obsoletes:         <br />CVE Names:         CAN-2004-0107<br />- ---------------------------------------------------------------------<br /><br />1. Topic:<br /><br />Updated sysstat packages that fix various bugs and a minor security issue<br />are now available.<br /><br />2. Relevant releases/architectures:<br /><br />Red Hat Linux 9 - i386<br /><br />3. Problem description:<br /><br />Sysstat is a tool for gathering system statistics. <br /><br />A bug was found in the Red Hat sysstat package post and trigger scripts,<br />which used insecure temporary file names. A local attacker could overwrite<br />system files using carefully-crafted symbolic links in the /tmp directory.<br />The Common Vulnerabilities and Exposures project (cve.mitre.org) has<br />assigned the name CAN-2004-0107 to this issue.<br /><br />Other issues addressed in this advisory include:<br /><br />* iostat -x should return all partitions on the system (up to a maximum of<br />1024)<br /><br />* sar should handle network device names with more than 8 characters properly<br /><br />Users of sysstat should upgrade to these updated packages, which<br />contain patches to correct these issues.<br /><br />4. Solution:<br /><br />Before applying this update, make sure all previously released errata<br />relevant to your system have been applied.<br /><br />To update all RPMs for your particular architecture, run:<br /><br />rpm -Fvh [filenames]<br /><br />where [filenames] is a list of the RPMs you wish to upgrade.  Only those<br />RPMs which are currently installed will be updated.  Those RPMs which are<br />not installed but included in the list will not be updated.  Note that you<br />can also use wildcards (*.rpm) if your current directory *only* contains the<br />desired RPMs.<br /><br />Please note that this update is also available via Red Hat Network.  Many<br />people find this an easier way to apply updates.  To use Red Hat Network,<br />launch the Red Hat Update Agent with the following command:<br /><br />up2date<br /><br />This will start an interactive process that will result in the appropriate<br />RPMs being upgraded on your system.<br /><br />If up2date fails to connect to Red Hat Network due to SSL<br />Certificate Errors, you need to install a version of the<br />up2date client with an updated certificate.  The latest version of<br />up2date is available from the Red Hat FTP site and may also be<br />downloaded directly from the RHN website:<br /><br />https://rhn.redhat.com/help/latest-up2date.pxt<br /><br />5. RPMs required:<br /><br />Red Hat Linux 9:<br /><br />SRPMS:<br />ftp://updates.redhat.com/9/en/os/SRPMS/sysstat-4.0.7-4.rhl9.1.src.rpm<br /><br />i386:<br />ftp://updates.redhat.com/9/en/os/i386/sysstat-4.0.7-4.rhl9.1.i386.rpm<br /><br /><br /><br />6. Verification:<br /><br />MD5 sum                          Package Name<br />- --------------------------------------------------------------------------<br /><br />53b2bdd79619a4407478ef9cae8fdd22 9/en/os/SRPMS/sysstat-4.0.7-4.rhl9.1.src.rpm<br />3cc21e61f4aec6c820dc496cb476f834 9/en/os/i386/sysstat-4.0.7-4.rhl9.1.i386.rpm<br /><br />These packages are GPG signed by Red Hat for security.  Our key is<br />available from https://www.redhat.com/security/keys.html<br /><br />You can verify each package with the following command:<br />    <br />    rpm --checksig -v <filename><br /><br />If you only wish to verify that each package has not been corrupted or<br />tampered with, examine only the md5sum with the following command:<br />    <br />    md5sum <filename><br /><br /><br />7. References:<br /><br />http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0107<br /><br />8. Contact:<br /><br />The Red Hat security contact is <secalert@redhat.com>.  More contact<br />details at https://www.redhat.com/solutions/security/news/contact.html<br /><br />Copyright 2003 Red Hat, Inc.<br />-----BEGIN PGP SIGNATURE-----<br />Version: GnuPG v1.0.7 (GNU/Linux)<br /><br />iD8DBQFATymzXlSAg2UNWIIRAgWDAJwK4AKpVPgfjQvOsn9MMtV7ceaPbgCcClS1<br />KYiRbeCdFuP56DDb322smYg=<br />=VUYQ<br />-----END PGP SIGNATURE-----<br /></code></pre>
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- 漏洞信息

6884
sysstat trigger Script Symlink Arbitrary File Overwrite
Local Access Required Race Condition
Loss of Confidentiality, Loss of Integrity
Exploit Public

- 漏洞描述

Sysstat contains a flaw that may allow a malicious user to overwrite arbitrary files. The issue is triggered when malicious symbolic links in the /tmp directory are created. It is possible that the flaw may allow for a privilege escalation and the deletion of arbitrary files resulting in a loss of confidentiality and integrity.

- 时间线

2004-03-10 Unknow
2004-03-10 Unknow

- 解决方案

Upgrade to Sysstat 5.0.2 or later, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. Users will need to consult their distribution specific documentation as binary packages might be using a different naming scheme or have a customized version of sysstat that varies from the source upgrade and binary package listed.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Sysstat Insecure Temporary File Creation Vulnerability
Design Error 9838
No Yes
2004-03-10 12:00:00 2009-07-12 03:06:00
This issue was announced in a Red Hat advisory.

- 受影响的程序版本

Sysstat Sysstat 5.0.1
Sysstat Sysstat 4.1.7
Sysstat Sysstat 4.1.6
Sysstat Sysstat 4.1.5
Sysstat Sysstat 4.1.4
Sysstat Sysstat 4.1.3
Sysstat Sysstat 4.1.2
Sysstat Sysstat 4.1.1
Sysstat Sysstat 4.0.7
+ Red Hat Enterprise Linux AS 3
+ RedHat Enterprise Linux ES 3
+ RedHat Enterprise Linux WS 3
+ RedHat Linux 9.0 i386
Sysstat Sysstat 4.0.3
SGI ProPack 2.4
SGI ProPack 2.3
RedHat sysstat-4.0.7-3.i386.rpm
+ RedHat Linux 9.0 i386
Sysstat Sysstat 5.0.2

- 不受影响的程序版本

Sysstat Sysstat 5.0.2

- 漏洞讨论

The Sysstat system monitoring utility is prone to an issue that may allow malicious local users to corrupt system files, most likely resulting in loss of data or a denial of service.

The source of this vulnerability is that the utility creates temporary files in an insecure manner, facilitating creation of malicious symbolic links in the /tmp directory.

- 漏洞利用

There is no exploit required.

- 解决方案

SGI has released an advisory (20040302-01-U) and fixes to address this issue. Please see the referenced advisory for further details on applying and obtaining fixes, fixes are linked below.

Red Hat has released advisory RHSA-2004:093-01 to address this issue.

Red Hat also released advisory RHSA-2004:053-16 for their enterprise distributions. Please see the attached advisory for details on applying and obtaining fixes.

The vendor has released Sysstat 5.0.2 to address the issue.

Gentoo has released advisory GLSA 200404-04 and fixes for this issue. They advise that users upgrade by taking the following steps at the command line:

# emerge sync
# emerge -pv ">=app-admin/sysstat-5.0.2"
# emerge ">=app-admin/sysstat-5.0.2"

Please see the referenced Gentoo advisory for more information.

SUSE has released an advisory SuSE-SA:2004:009 to address this and other issues. Please see the advisory for more information.

A Fedora legacy advisory (FLSA:1372) is available that address this issue for Red Hat Linux 7.3 running on the i386 platform. Please see the referenced advisory for more information.


RedHat sysstat-4.0.7-3.i386.rpm

SGI ProPack 2.3

SGI ProPack 2.4

Sysstat Sysstat 4.0.7

Sysstat Sysstat 4.1.1

Sysstat Sysstat 4.1.2

Sysstat Sysstat 4.1.3

Sysstat Sysstat 4.1.4

Sysstat Sysstat 4.1.5

Sysstat Sysstat 4.1.6

Sysstat Sysstat 4.1.7

Sysstat Sysstat 5.0.1

- 相关参考

 

 

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