Vulnerabilities > CVE-2007-4623 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in IBM AIX 5.2/5.3
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
Stack-based buffer overflow in the sendrmt function in bellmail in IBM AIX 5.2 and 5.3 allows local users to execute arbitrary code via a long parameter to the m command.
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.
Nessus
NASL family AIX Local Security Checks NASL id AIX_U812065.NASL description The remote host is missing AIX PTF U812065, which is related to the security of the package bos.net.tcp.client. last seen 2020-06-01 modified 2020-06-02 plugin id 28980 published 2007-12-03 reporter This script is Copyright (C) 2007-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/28980 title AIX 5.2 TL 10 : bos.net.tcp.client (U812065) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were extracted # from AIX Security PTF U812065. The text itself is copyright (C) # International Business Machines Corp. # include("compat.inc"); if (description) { script_id(28980); script_version ("1.6"); script_cvs_date("Date: 2019/09/16 14:12:48"); script_cve_id("CVE-2007-4004", "CVE-2007-4217", "CVE-2007-4622", "CVE-2007-4623"); script_name(english:"AIX 5.2 TL 10 : bos.net.tcp.client (U812065)"); script_summary(english:"Check for PTF U812065"); script_set_attribute( attribute:"synopsis", value:"The remote AIX host is missing a vendor-supplied security patch." ); script_set_attribute( attribute:"description", value: "The remote host is missing AIX PTF U812065, which is related to the security of the package bos.net.tcp.client." ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ01812" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05017" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05066" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05487" ); script_set_attribute( attribute:"solution", value:"Install the appropriate missing security-related fix." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C"); script_cwe_id(119, 189); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:5.2"); script_set_attribute(attribute:"vuln_publication_date", value:"2007/07/23"); script_set_attribute(attribute:"patch_publication_date", value:"2007/07/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2007/12/03"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2007-2019 Tenable Network Security, Inc."); script_family(english:"AIX Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/AIX/oslevel", "Host/AIX/version", "Host/AIX/lslpp"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("aix.inc"); if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX"); if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if ( aix_check_patch(ml:"520010", patch:"U812065", package:"bos.net.tcp.client.5.2.0.109") < 0 ) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:aix_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family AIX Local Security Checks NASL id AIX_U812719.NASL description The remote host is missing AIX PTF U812719, which is related to the security of the package bos.net.tcp.client. last seen 2020-06-01 modified 2020-06-02 plugin id 29051 published 2007-12-03 reporter This script is Copyright (C) 2007-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/29051 title AIX 5.3 TL 6 : bos.net.tcp.client (U812719) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were extracted # from AIX Security PTF U812719. The text itself is copyright (C) # International Business Machines Corp. # include("compat.inc"); if (description) { script_id(29051); script_version ("1.5"); script_cvs_date("Date: 2019/09/16 14:12:48"); script_cve_id("CVE-2007-4004", "CVE-2007-4217", "CVE-2007-4623"); script_name(english:"AIX 5.3 TL 6 : bos.net.tcp.client (U812719)"); script_summary(english:"Check for PTF U812719"); script_set_attribute( attribute:"synopsis", value:"The remote AIX host is missing a vendor-supplied security patch." ); script_set_attribute( attribute:"description", value: "The remote host is missing AIX PTF U812719, which is related to the security of the package bos.net.tcp.client." ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ01813" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05053" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05065" ); script_set_attribute( attribute:"see_also", value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IZ05488" ); script_set_attribute( attribute:"solution", value:"Install the appropriate missing security-related fix." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C"); script_cwe_id(119); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:5.3"); script_set_attribute(attribute:"vuln_publication_date", value:"2007/07/23"); script_set_attribute(attribute:"patch_publication_date", value:"2007/07/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2007/12/03"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2007-2019 Tenable Network Security, Inc."); script_family(english:"AIX Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/AIX/oslevel", "Host/AIX/version", "Host/AIX/lslpp"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("aix.inc"); if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX"); if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if ( aix_check_patch(ml:"530006", patch:"U812719", package:"bos.net.tcp.client.5.3.0.65") < 0 ) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:aix_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
Oval
accepted | 2008-05-19T04:00:08.528-04:00 | ||||
class | vulnerability | ||||
contributors |
| ||||
description | Stack-based buffer overflow in the sendrmt function in bellmail in IBM AIX 5.2 and 5.3 allows local users to execute arbitrary code via a long parameter to the m command. | ||||
family | unix | ||||
id | oval:org.mitre.oval:def:4943 | ||||
status | accepted | ||||
submitted | 2008-04-11T15:10:44.000-05:00 | ||||
title | AIX bellmail buffer overflow vulnerability | ||||
version | 14 |
Seebug
bulletinFamily exploit description BUGTRAQ ID: 26257 CVE(CAN) ID: CVE-2007-4623 IBM AIX是一款商业性质的UNIX操作系统。 AIX的bellmail工具实现上存在缓冲区溢出漏洞,本地攻击者可能利用此漏洞提升权限。 AIX中所安装的bellmail程序中的sendrmt函数存在栈溢出漏洞,当用户试图使用“m”命令发送邮件时会调用该函数。在这个函数中,调用了一些sprintf以将用户提供的输入连接到静态字符串,但没有执行边界检查来确保所生成的字符串会适合栈上所分配的目标缓冲区,因此攻击者可以提供超长参数控制栈上数据和受影响进程,导致以root权限执行任意指令。 IBM AIX 5.3 IBM AIX 5.2 临时解决方法: * 删除bellmai程序的set-uid位。 厂商补丁: IBM --- 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: <a href="ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar" target="_blank">ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar</a> id SSV:2371 last seen 2017-11-19 modified 2007-11-01 published 2007-11-01 reporter Root title IBM AIX bellmail邮件用户代理本地栈溢出漏洞 bulletinFamily exploit description BUGTRAQ ID: 26257 CVE(CAN) ID: CVE-2007-4623 IBM AIX是一款商业性质的UNIX操作系统。 AIX的bellmail工具实现上存在缓冲区溢出漏洞,本地攻击者可能利用此漏洞提升权限。 AIX中所安装的bellmail程序中的sendrmt函数存在栈溢出漏洞,当用户试图使用“m”命令发送邮件时会调用该函数。在这个函数中,调用了一些sprintf以将用户提供的输入连接到静态字符串,但没有执行边界检查来确保所生成的字符串会适合栈上所分配的目标缓冲区,因此攻击者可以提供超长参数控制栈上数据和受影响进程,导致以root权限执行任意指令。 IBM AIX 5.3 IBM AIX 5.2 * 删除bellmai程序的set-uid位。 厂商补丁: 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: <a href=ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar target=_blank>ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar</a> id SSV:2547 last seen 2017-11-19 modified 2007-12-04 published 2007-12-04 reporter Root title IBM AIX bellmail 有邮件用户代理本地栈溢出漏洞
References
- ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar
- ftp://aix.software.ibm.com/aix/efixes/security/bellmail_ifix.tar
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=617
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=617
- http://secunia.com/advisories/27437
- http://secunia.com/advisories/27437
- http://securitytracker.com/id?1018871
- http://securitytracker.com/id?1018871
- http://www.securityfocus.com/bid/26257
- http://www.securityfocus.com/bid/26257
- http://www.vupen.com/english/advisories/2007/3669
- http://www.vupen.com/english/advisories/2007/3669
- http://www-1.ibm.com/support/docview.wss?uid=isg1IZ05065
- http://www-1.ibm.com/support/docview.wss?uid=isg1IZ05065
- http://www-1.ibm.com/support/docview.wss?uid=isg1IZ05066
- http://www-1.ibm.com/support/docview.wss?uid=isg1IZ05066
- http://www14.software.ibm.com/webapp/set2/subscriptions/ijhifoeblist?mode=7&heading=AIX53&path=%2F200710%2FSECURITY%2F20071030%2Fdatafile094529
- http://www14.software.ibm.com/webapp/set2/subscriptions/ijhifoeblist?mode=7&heading=AIX53&path=%2F200710%2FSECURITY%2F20071030%2Fdatafile094529
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38150
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38150
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4943
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4943