elfutils 0.168 ELF File elflint.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in elfutils 0.168. Affected is an unknown function of the file elflint.c of the component ELF File Handler. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2017-7613. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in elfutils 0.168 and classified as problematic. This vulnerability affects some unknown functionality of the file elflint.c of the component ELF File Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

elflint.c in elfutils 0.168 does not validate the number of sections and the number of segments, which allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file.

The bug was discovered 04/03/2017. The weakness was disclosed 04/09/2017 by Agostino Sarubbo with Gentoo (Website). The advisory is shared for download at blogs.gentoo.org. This vulnerability was named CVE-2017-7613 since 04/09/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100190 (Fedora 25 : elfutils (2017-5e4fb05a0a)), 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 176681 (Debian Security Update for elfutils (DLA 1689-1)).

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 (100190) and SecurityFocus (BID 98609†). The entries VDB-99466, VDB-99467, VDB-99468 and VDB-99469 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 100190
Nessus Name: Fedora 25 : elfutils (2017-5e4fb05a0a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for elfutils FEDORA-2017-5e4fb05a0a
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

04/03/2017 🔍
04/09/2017 +6 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
04/09/2017 +0 days 🔍
05/12/2017 +33 days 🔍
05/16/2017 +4 days 🔍
11/28/2022 +2022 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-5e4fb05a0a
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Confirmed

CVE: CVE-2017-7613 (🔍)
GCVE (CVE): GCVE-0-2017-7613
GCVE (VulDB): GCVE-100-99472
SecurityFocus: 98609 - elfutils CVE-2017-7608 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-7613 - elfutils - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/09/2017 21:17
Updated: 11/28/2022 08:30
Changes: 04/09/2017 21:17 (74), 08/27/2020 18:43 (8), 11/28/2022 08:26 (4), 11/28/2022 08:30 (1)
Complete: 🔍
Cache ID: 216::103

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