CVE-2018-16403

elfutils: Heap-based buffer over-read in libdw/dwarf_getabbrev.c and libwd/dwarf_hasattr.c causes crash

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.

libdw en elfutils 0.173 comprueba incorrectamente el final de la lista de atributos en dwarf_getabbrev en dwarf_getabbrev.c y dwarf_hasattr en dwarf_hasattr.c, lo que conduce a una sobrelectura de búfer basada en memoria dinámica (heap) y al cierre inesperado de la aplicación.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-09-03 CVE Reserved
2018-09-03 CVE Published
2023-11-08 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (7)

URL	Tag	Source
https://sourceware.org/git/?p=elfutils.git%3Ba=commit%3Bh=6983e59b727458a6c64d9659c85f08218bc4fcda	X_refsource_misc

URL	Date	SRC
https://sourceware.org/bugzilla/show_bug.cgi?id=23529	2024-08-05

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html	2023-11-07
https://access.redhat.com/errata/RHSA-2019:2197	2023-11-07
https://usn.ubuntu.com/4012-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-16403	2019-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=1625055	2019-08-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Elfutils Project Search vendor "Elfutils Project"		Elfutils Search vendor "Elfutils Project" for product "Elfutils"				0.173 Search vendor "Elfutils Project" for product "Elfutils" and version "0.173"		-		Affected