elfutils libdw dwarf_getaranges.c dwarf_getaranges memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in elfutils. Affected by this issue is the function dwarf_getaranges of the file dwarf_getaranges.c of the component libdw. This manipulation causes memory corruption. This vulnerability is registered as CVE-2018-16062. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in elfutils (affected version unknown). Affected by this vulnerability is the function dwarf_getaranges of the file dwarf_getaranges.c of the component libdw. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

dwarf_getaranges in dwarf_getaranges.c in libdw in elfutils before 2018-08-18 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file.

The bug was discovered 08/17/2017. The weakness was published 08/29/2018 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at sourceware.org. This vulnerability is known as CVE-2018-16062 since 08/28/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 376 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120279 (Fedora 28 : elfutils (2018-1eec1f0d17)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277557 (Fedora Security Update for elfutils (FEDORA-2018-1eec1f0d17)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (120279) and SecurityFocus (BID 98609†). Similar entries are available at VDB-99467, VDB-99469, VDB-99470 and VDB-99471. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 120279
Nessus Name: Fedora 28 : elfutils (2018-1eec1f0d17)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 29e31978ba51c1051743a503ee325b5ebc03d7e9

Timelineinfo

04/09/2017 🔍
08/17/2017 +130 days 🔍
08/28/2018 +375 days 🔍
08/28/2018 +0 days 🔍
08/29/2018 +1 days 🔍
08/29/2018 +0 days 🔍
10/02/2018 +34 days 🔍
01/03/2019 +93 days 🔍
05/06/2023 +1584 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-1eec1f0d17
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed

CVE: CVE-2018-16062 (🔍)
GCVE (CVE): GCVE-0-2018-16062
GCVE (VulDB): GCVE-100-123355
SecurityFocus: 98609 - elfutils CVE-2017-7608 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 08/29/2018 14:22
Updated: 05/06/2023 08:31
Changes: 08/29/2018 14:22 (73), 03/19/2020 08:18 (7), 05/06/2023 08:29 (6), 05/06/2023 08:31 (1)
Complete: 🔍
Cache ID: 216::103

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