Vulnerabilities > CVE-2011-0101 - Buffer Errors vulnerability in Microsoft Excel 2002
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
COMPLETE Integrity impact
COMPLETE Availability impact
COMPLETE Summary
Microsoft Excel 2002 SP3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted RealTimeData record, related to a stTopic field, double-byte characters, and an incorrect pointer calculation, aka "Excel Record Parsing WriteAV Vulnerability."
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
- Client-side Injection-induced Buffer Overflow This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
- Filter Failure through Buffer Overflow In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
- MIME Conversion An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
Msbulletin
bulletin_id | MS11-021 |
bulletin_url | |
date | 2011-04-12T00:00:00 |
impact | Remote Code Execution |
knowledgebase_id | 2489283 |
knowledgebase_url | |
severity | Important |
title | Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution |
Nessus
NASL family Windows : Microsoft Bulletins NASL id SMB_NT_MS11-021.NASL description The remote Windows host is running a version of Microsoft Excel or Excel Viewer that is affected by several vulnerabilities. If an attacker can trick a user on the affected host into opening a specially crafted Excel file, they could leverage this issue to execute arbitrary code subject to the user last seen 2020-06-01 modified 2020-06-02 plugin id 53378 published 2011-04-13 reporter This script is Copyright (C) 2011-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/53378 title MS11-021: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2489279) code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(53378); script_version("1.27"); script_cvs_date("Date: 2018/11/15 20:50:30"); script_cve_id( "CVE-2011-0097", "CVE-2011-0098", "CVE-2011-0101", "CVE-2011-0103", "CVE-2011-0104", "CVE-2011-0105", "CVE-2011-0978", "CVE-2011-0979", "CVE-2011-0980" ); script_bugtraq_id(46225, 46226, 46229, 47201, 47235, 47243, 47244, 47245, 47256); script_xref(name:"EDB-ID", value:"18067"); script_xref(name:"EDB-ID", value:"18087"); script_xref(name:"MSFT", value:"MS11-021"); script_xref(name:"MSKB", value:"2464583"); script_xref(name:"MSKB", value:"2466146"); script_xref(name:"MSKB", value:"2466156"); script_xref(name:"MSKB", value:"2466158"); script_xref(name:"MSKB", value:"2466169"); script_xref(name:"MSKB", value:"2502786"); script_name(english:"MS11-021: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2489279)"); script_summary(english:"Checks version of Excel"); script_set_attribute( attribute:"synopsis", value: "Arbitrary code can be executed on the remote host through Microsoft Excel." ); script_set_attribute( attribute:"description", value: "The remote Windows host is running a version of Microsoft Excel or Excel Viewer that is affected by several vulnerabilities. If an attacker can trick a user on the affected host into opening a specially crafted Excel file, they could leverage this issue to execute arbitrary code subject to the user's privileges." ); script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2011/ms11-021"); script_set_attribute( attribute:"solution", value: "Microsoft has released a set of patches for Office XP, 2003, 2007, 2010, Excel Viewer, and Office Compatability Pack." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploit_framework_core", value:"true"); script_set_attribute(attribute:"exploited_by_malware", value:"true"); script_set_attribute(attribute:"metasploit_name", value:'MS11-021 Microsoft Office 2007 Excel .xlb Buffer Overflow'); script_set_attribute(attribute:"exploit_framework_metasploit", value:"true"); script_set_attribute(attribute:"exploit_framework_canvas", value:"true"); script_set_attribute(attribute:"canvas_package", value:'White_Phosphorus'); script_set_attribute(attribute:"vuln_publication_date", value:"2011/02/07"); script_set_attribute(attribute:"patch_publication_date", value:"2011/04/12"); script_set_attribute(attribute:"plugin_publication_date", value:"2011/04/13"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office"); script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel"); script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel_viewer"); script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office_compatibility_pack"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Windows : Microsoft Bulletins"); script_copyright(english:"This script is Copyright (C) 2011-2018 Tenable Network Security, Inc."); script_dependencies("smb_nt_ms02-031.nasl", "office_installed.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl"); script_require_keys("SMB/MS_Bulletin_Checks/Possible"); script_require_ports(139, 445, 'Host/patch_management_checks'); exit(0); } include("smb_hotfixes_fcheck.inc"); include("smb_hotfixes.inc"); include("smb_func.inc"); include("misc_func.inc"); include("audit.inc"); get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible"); bulletin = 'MS11-021'; kbs = make_list("2464583", "2466146", "2466156", "2466158", "2466169", "2502786"); if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE); info = ""; # Excel. vuln = 0; installs = get_kb_list("SMB/Office/Excel/*/ProductPath"); if (!isnull(installs)) { foreach install (keys(installs)) { version = install - 'SMB/Office/Excel/' - '/ProductPath'; path = installs[install]; ver = split(version, sep:'.', keep:FALSE); for (i=0; i<max_index(ver); i++) ver[i] = int(ver[i]); # Excel 2010. office_sp = get_kb_item("SMB/Office/2010/SP"); if ( (!isnull(office_sp) && office_sp == 0) && ( (ver[0] == 14 && ver[1] == 0 && ver[2] < 5130) || (ver[0] == 14 && ver[1] == 0 && ver[2] == 5130 && ver[3] < 5003) ) ) { vuln++; info = '\n Product : Excel 2010' + '\n File : ' + path + '\n Installed version : ' + version + '\n Fixed version : 14.0.5130.5003\n'; hotfix_add_report(info, bulletin:bulletin, kb:'2466146'); } # Excel 2007. office_sp = get_kb_item("SMB/Office/2007/SP"); if ( (!isnull(office_sp) && office_sp == 2) && ( (ver[0] == 12 && ver[1] == 0 && ver[2] < 6550) || (ver[0] == 12 && ver[1] == 0 && ver[2] == 6550 && ver[3] < 5004) ) ) { vuln++; info = '\n Product : Excel 2007' + '\n File : ' + path + '\n Installed version : ' + version + '\n Fixed version : 12.0.6550.5004\n'; hotfix_add_report(info, bulletin:bulletin, kb:"2464583"); } # Excel 2003. office_sp = get_kb_item("SMB/Office/2003/SP"); if ( (!isnull(office_sp) && office_sp == 3) && (ver[0] == 11 && ver[1] == 0 && ver[2] < 8332) ) { vuln++; info = '\n Product : Excel 2003' + '\n File : ' + path + '\n Installed version : ' + version + '\n Fixed version : 11.0.8332.0\n'; hotfix_add_report(info, bulletin:bulletin, kb:"2502786"); } # Excel 2002. if ( (!isnull(office_sp) && office_sp == 3) && (ver[0] == 10 && ver[1] == 0 && ver[2] < 6869) ) { vuln++; info = '\n Product : Excel 2002' + '\n File : ' + path + '\n Installed version : ' + version + '\n Fixed version : 10.0.6869.0\n'; hotfix_add_report(info, bulletin:bulletin, kb:"2466169"); } } } # Excel Viewer. installs = get_kb_list("SMB/Office/ExcelViewer/*/ProductPath"); if (!isnull(installs)) { foreach install (keys(installs)) { version = install - 'SMB/Office/ExcelViewer/' - '/ProductPath'; path = installs[install]; path = 'n/a'; ver = split(version, sep:'.', keep:FALSE); for (i=0; i<max_index(ver); i++) ver[i] = int(ver[i]); # Excel Viewer. if ( ver[0] == 12 && ver[1] == 0 && ( ver[2] < 6550 || (ver[2] == 6550 && ver[3] < 5004) ) ) { vuln++; info = '\n Product : Excel Viewer' + '\n File : '+ path + '\n Installed version : '+ version + '\n Fixed version : 12.0.6550.5004\n'; hotfix_add_report(info, bulletin:bulletin, kb:"2466158"); break; } } } # 2007 Microsoft Office system and the Microsoft Office Compatibility Pack. installs = get_kb_list("SMB/Office/ExcelCnv/*/ProductPath"); if (!isnull(installs)) { foreach install (keys(installs)) { version = install - 'SMB/Office/ExcelCnv/' - '/ProductPath'; path = installs[install]; ver = split(version, sep:'.', keep:FALSE); for (i=0; i<max_index(ver); i++) ver[i] = int(ver[i]); # 2007 Office system and the Office Compatibility Pack. if ( ver[0] == 12 && ver[1] == 0 && ( ver[2] < 6550 || (ver[2] == 6550 && ver[3] < 5004) ) ) { vuln++; info = '\n Product : 2007 Office system and the Office Compatibility Pack' + '\n File : '+ path + '\n Installed version : '+ version + '\n Fixed version : 12.0.6550.5004\n'; hotfix_add_report(info, bulletin:bulletin, kb:"2466156"); break; } } } if (vuln) { set_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE); hotfix_security_hole(); exit(0); } else audit(AUDIT_HOST_NOT, 'affected');
NASL family MacOS X Local Security Checks NASL id MACOSX_MS_OFFICE_APR2011.NASL description The remote Mac OS X host is running a version of Microsoft Office that is affected by several vulnerabilities. If an attacker can trick a user on the affected host into opening a specially crafted Office file, these issues could be leveraged to execute arbitrary code subject to the user last seen 2019-12-14 modified 2011-04-13 plugin id 53374 published 2011-04-13 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53374 title MS11-021 / MS11-022 / MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489279 / 2489283 / 2489293) (Mac OS X)
Oval
accepted | 2012-05-28T04:00:09.384-04:00 | ||||||||
class | vulnerability | ||||||||
contributors |
| ||||||||
definition_extensions |
| ||||||||
description | Microsoft Excel 2002 SP3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted RealTimeData record, related to a stTopic field, doubly-byte characters, and an incorrect pointer calculation, aka "Excel Record Parsing WriteAV Vulnerability." | ||||||||
family | windows | ||||||||
id | oval:org.mitre.oval:def:11676 | ||||||||
status | accepted | ||||||||
submitted | 2011-04-12T13:00:00 | ||||||||
title | Excel Record Parsing WriteAV Vulnerability | ||||||||
version | 8 |
Seebug
bulletinFamily | exploit |
description | BUGTRAQ ID: 47243 CVE ID: CVE-2011-0101 Microsoft Excel是由Microsoft为Windows和Apple Macintosh操作系统的电脑而编写和运行的一款试算表软件。 Microsoft Excel "RealTimeData"在实现上存在记录解析远程代码执行漏洞,远程攻击者可利用此漏洞以当前用户权限执行任意代码,造成拒绝服务。 Microsoft Office Excel处理特制Excel文件的方式中存在一个远程执行代码漏洞,成功利用此漏洞的攻击者便可完全控制受影响的系统。攻击者可随后安装程序;查看、更改或删除数据;或者创建拥有完全用户权限的新帐户 Microsoft Excel Microsoft Office 临时解决方法: * 使用“Microsoft Office文件阻止”策略禁止在Excel中打开来自不可信任来源和位置的Office 2003和早期版本的文件。 * 在打开未知或可疑源的文件时使用MOICE * 不要打开来自可疑源的Office文件 厂商补丁: Microsoft --------- Microsoft已经为此发布了一个安全公告(MS11-021)以及相应补丁: MS11-021:Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2489279) 链接:http://www.microsoft.com/technet/security/bulletin/MS11-021.asp |
id | SSV:20484 |
last seen | 2017-11-19 |
modified | 2011-04-15 |
published | 2011-04-15 |
reporter | Root |
title | Microsoft Excel "RealTimeData"记录解析远程代码执行漏洞(MS11-021) |
References
- http://osvdb.org/71766
- http://secunia.com/advisories/39122
- http://www.securityfocus.com/archive/1/517463/100/0/threaded
- http://www.securityfocus.com/bid/47243
- http://www.securitytracker.com/id?1025337
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html
- http://www.vupen.com/english/advisories/2011/0940
- http://www.zerodayinitiative.com/advisories/ZDI-11-120
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11676