GNU binutils 2.30 elf.c elf_parse_notes out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU binutils 2.30. It has been classified as critical. Affected by this issue is the function elf_parse_notes of the file elf.c. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2018-6872. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in GNU binutils 2.30 (Programming Tool Software) and classified as critical. Affected by this vulnerability is the function elf_parse_notes of the file elf.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The elf_parse_notes function in elf.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (out-of-bounds read and segmentation violation) via a note with a large alignment.

The bug was discovered 02/05/2018. The weakness was published 02/09/2018 as Bug 22788 as not defined bug report (Bugzilla). The advisory is shared at sourceware.org. This vulnerability is known as CVE-2018-6872 since 02/09/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118337 (openSUSE Security Update : binutils (openSUSE-2018-1222)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171846 (OpenSUSE Security Update for binutils (openSUSE-SU-2018:3323-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118337) and SecurityFocus (BID 103103†). Similar entries are available at VDB-108725, VDB-109436, VDB-109437 and VDB-109439. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Out-of-bounds
CWE: CWE-125 / 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: 118337
Nessus Name: openSUSE Security Update : binutils (openSUSE-2018-1222)
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: ef135d4314fd4c2d7da66b9d7b59af4a85b0f7e6

Timelineinfo

02/05/2018 🔍
02/09/2018 +4 days 🔍
02/09/2018 +0 days 🔍
02/09/2018 +0 days 🔍
02/09/2018 +0 days 🔍
02/10/2018 +1 days 🔍
10/23/2018 +255 days 🔍
10/24/2018 +1 days 🔍
09/04/2024 +2142 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 22788
Researcher: JayZhang
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6872 (🔍)
GCVE (CVE): GCVE-0-2018-6872
GCVE (VulDB): GCVE-100-113125
SecurityFocus: 103103 - GNU Binutils CVE-2018-6872 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/10/2018 11:04
Updated: 09/04/2024 15:15
Changes: 02/10/2018 11:04 (69), 01/03/2020 20:14 (13), 02/03/2021 08:31 (3), 02/06/2023 12:16 (4), 09/04/2024 15:15 (16)
Complete: 🔍
Cache ID: 216:FEA:103

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