elfutils 0.168 ELF File elflint.c check_sysv_hash memory corruption

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, has been found in elfutils 0.168. This impacts the function check_sysv_hash of the file elflint.c of the component ELF File Handler. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2017-7612. The attack is only possible with local access. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in elfutils 0.168. This affects the function check_sysv_hash of the file elflint.c of the component ELF File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The check_sysv_hash function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file.

The bug was discovered 04/03/2017. The weakness was released 04/09/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at blogs.gentoo.org. This vulnerability is uniquely identified as CVE-2017-7612 since 04/09/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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 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†). Entries connected to this vulnerability are available at VDB-99466, VDB-99467, VDB-99468 and VDB-99469. Be aware that VulDB is the high quality source for vulnerability data.

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: 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: 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: 🔍
Exposure Time: 🔍

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-2017-7612 (🔍)
GCVE (CVE): GCVE-0-2017-7612
GCVE (VulDB): GCVE-100-99471
SecurityFocus: 98609 - elfutils CVE-2017-7608 Remote Denial of Service Vulnerability
OSVDB: - CVE-2017-7612 - elfutils - Buffer Over-Read Issue

See also: 🔍

Entryinfo

Created: 04/09/2017 21:17
Updated: 11/28/2022 08:23
Changes: 04/09/2017 21:17 (75), 08/27/2020 18:39 (8), 11/28/2022 08:22 (4), 11/28/2022 08:23 (1)
Complete: 🔍
Cache ID: 216::103

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