National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-14249 Detail

Current Description

dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/109380 Third Party Advisory VDB Entry
https://sourceforge.net/p/libdwarf/code/ci/cb7198abde46c2ae29957ad460da6886eaa606ba/tree/libdwarf/dwarf_elf_load_headers.c?diff=99e77c3894877a1dd80b82808d8309eded4e5599 Patch Third Party Advisory
https://sourceforge.net/p/libdwarf/code/merge-requests/4/ Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
2019-07-05


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-14249
NVD Published Date:
07/24/2019
NVD Last Modified:
08/05/2019