Vulnerabilities > CVE-2012-2152 - Buffer Errors vulnerability in ROY Marples Dhcpcd 3.2.3
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL Summary
Stack-based buffer overflow in the get_packet method in socket.c in dhcpcd 3.2.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long packet.
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.
Nessus
NASL family SuSE Local Security Checks NASL id SUSE_11_DHCPCD-120518.NASL description A stack overflow in dhcpcd was fixed which could be used by network local attackers to crash the dhcpcd and so causing loss of DHCP functionality. (CVE-2012-2152) last seen 2020-06-05 modified 2013-01-25 plugin id 64125 published 2013-01-25 reporter This script is Copyright (C) 2013-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/64125 title SuSE 11.1 Security Update : dhcpcd (SAT Patch Number 6301) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from SuSE 11 update information. The text itself is # copyright (C) Novell, Inc. # if (NASL_LEVEL < 3000) exit(0); include("compat.inc"); if (description) { script_id(64125); script_version("1.3"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2012-2152"); script_name(english:"SuSE 11.1 Security Update : dhcpcd (SAT Patch Number 6301)"); script_summary(english:"Checks rpm output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote SuSE 11 host is missing a security update." ); script_set_attribute( attribute:"description", value: "A stack overflow in dhcpcd was fixed which could be used by network local attackers to crash the dhcpcd and so causing loss of DHCP functionality. (CVE-2012-2152)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=758227" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=760334" ); script_set_attribute( attribute:"see_also", value:"http://support.novell.com/security/cve/CVE-2012-2152.html" ); script_set_attribute(attribute:"solution", value:"Apply SAT patch number 6301."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:dhcpcd"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11"); script_set_attribute(attribute:"patch_publication_date", value:"2012/05/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2013/01/25"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2013-2020 Tenable Network Security, Inc."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release !~ "^(SLED|SLES)11") audit(AUDIT_OS_NOT, "SuSE 11"); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SuSE 11", cpu); pl = get_kb_item("Host/SuSE/patchlevel"); if (isnull(pl) || int(pl) != 1) audit(AUDIT_OS_NOT, "SuSE 11.1"); flag = 0; if (rpm_check(release:"SLED11", sp:1, cpu:"i586", reference:"dhcpcd-3.2.3-44.30.1")) flag++; if (rpm_check(release:"SLED11", sp:1, cpu:"x86_64", reference:"dhcpcd-3.2.3-44.30.1")) flag++; if (rpm_check(release:"SLES11", sp:1, reference:"dhcpcd-3.2.3-44.30.1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-2498.NASL description It was discovered that dhcpcd, a DHCP client, was vulnerable to a stack overflow. A malformed DHCP message could crash the client, causing a denial of service, and potentially remote code execution through properly designed malicous DHCP packets. last seen 2020-03-17 modified 2012-06-29 plugin id 59776 published 2012-06-29 reporter This script is Copyright (C) 2012-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/59776 title Debian DSA-2498-1 : dhcpcd - remote stack overflow code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-2498. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(59776); script_version("1.9"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2012-2152"); script_bugtraq_id(53354); script_xref(name:"DSA", value:"2498"); script_name(english:"Debian DSA-2498-1 : dhcpcd - remote stack overflow"); script_summary(english:"Checks dpkg output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "It was discovered that dhcpcd, a DHCP client, was vulnerable to a stack overflow. A malformed DHCP message could crash the client, causing a denial of service, and potentially remote code execution through properly designed malicous DHCP packets." ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/squeeze/dhcpcd" ); script_set_attribute( attribute:"see_also", value:"https://www.debian.org/security/2012/dsa-2498" ); script_set_attribute( attribute:"solution", value: "Upgrade the dhcpcd package. For the stable distribution (squeeze), this problem has been fixed in version 1:3.2.3-5+squeeze1." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:dhcpcd"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0"); script_set_attribute(attribute:"patch_publication_date", value:"2012/06/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/29"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2012-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Debian Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("debian_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian"); if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (deb_check(release:"6.0", prefix:"dhcpcd", reference:"1:3.2.3-5+squeeze1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");