Vulnerability CVE-2019-7149

Vulnerability Name:

CVE-2019-7149 (CCN-156282)

Assigned:

2019-01-18

Published:

2019-01-18

Updated:

2019-06-10

Summary:

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0.175. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by eu-nm.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

3.3 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2019-7149

Source: REDHAT
Type: UNKNOWN
RHSA-2019:2197

Source: REDHAT
Type: UNKNOWN
RHSA-2019:3575

Source: XF
Type: UNKNOWN
elfutils-cve20197149-dos(156282)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20190225 [SECURITY] [DLA 1689-1] elfutils security update

Source: CCN
Type: Sourceware Bugzilla Bug 24102
A Heap-buffer-overflow problem was discovered in the function read_srclines in dwarf_getsrclines.c in libdw

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24102

Source: CCN
Type: elfutils-devel Web site
[PATCH] libdw: Check terminating NUL byte in dwarf_getsrclines for dir/file table.

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00068.html

Source: UBUNTU
Type: UNKNOWN
USN-4012-1

Vulnerable Configuration:

Configuration 1:

cpe:/a:elfutils_project:elfutils:0.175:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Configuration RedHat 1:

cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

Configuration RedHat 3:

cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

Configuration RedHat 4:

cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

Configuration RedHat 5:

cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

Configuration RedHat 6:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 7:

cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

Configuration RedHat 8:

cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 9:

cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8031	P	libebl-plugins-0.177-150300.11.6.1 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:7489	P	elfutils-0.185-150400.5.3.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:42329	P	Security update for dwarves and elfutils (Moderate)	2022-08-01
oval:org.opensuse.security:def:42425	P	Security update for dwarves and elfutils (Moderate)	2022-08-01
oval:org.opensuse.security:def:43656	P	Security update for dwarves and elfutils (Moderate)	2022-08-01
oval:org.opensuse.security:def:94544	P	elfutils-0.185-150400.3.35 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:2914	P	elfutils-0.185-150400.3.35 on GA media (Moderate)	2022-06-22
oval:com.redhat.rhsa:def:20193575	P	RHSA-2019:3575: elfutils security, bug fix, and enhancement update (Low)	2019-11-05
oval:com.redhat.rhsa:def:20192197	P	RHSA-2019:2197: elfutils security, bug fix, and enhancement update (Low)	2019-08-06
oval:com.ubuntu.disco:def:201971490000000	V	CVE-2019-7149 on Ubuntu 19.04 (disco) - low.	2019-01-29
oval:com.ubuntu.bionic:def:201971490000000	V	CVE-2019-7149 on Ubuntu 18.04 LTS (bionic) - low.	2019-01-29
oval:com.ubuntu.xenial:def:201971490000000	V	CVE-2019-7149 on Ubuntu 16.04 LTS (xenial) - low.	2019-01-29
oval:com.ubuntu.bionic:def:20197149000	V	CVE-2019-7149 on Ubuntu 18.04 LTS (bionic) - medium.	2019-01-28
oval:com.ubuntu.cosmic:def:201971490000000	V	CVE-2019-7149 on Ubuntu 18.10 (cosmic) - low.	2019-01-28
oval:com.ubuntu.cosmic:def:20197149000	V	CVE-2019-7149 on Ubuntu 18.10 (cosmic) - medium.	2019-01-28
oval:com.ubuntu.trusty:def:20197149000	V	CVE-2019-7149 on Ubuntu 14.04 LTS (trusty) - medium.	2019-01-28
oval:com.ubuntu.xenial:def:20197149000	V	CVE-2019-7149 on Ubuntu 16.04 LTS (xenial) - medium.	2019-01-28

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