GNU binutils up to 2.31.1 objdump.c load_specific_debug_section integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU binutils up to 2.31.1 and classified as critical. Impacted is the function load_specific_debug_section of the file objdump.c. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2018-20671. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in GNU binutils up to 2.31.1 (Programming Tool Software) and classified as critical. This issue affects the function load_specific_debug_section of the file objdump.c. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.

The bug was discovered 01/04/2019. The weakness was published 01/04/2019 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2018-20671 since 01/04/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106457†). Similar entry is available at VDB-128706. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 11fa9f134fd658075c6f74499c780df045d9e9ca

Timelineinfo

01/04/2019 🔍
01/04/2019 +0 days 🔍
01/04/2019 +0 days 🔍
01/04/2019 +0 days 🔍
01/04/2019 +0 days 🔍
01/07/2019 +3 days 🔍
06/23/2023 +1628 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: USN-4336-1⛔
Status: Not defined

CVE: CVE-2018-20671 (🔍)
GCVE (CVE): GCVE-0-2018-20671
GCVE (VulDB): GCVE-100-128705
SecurityFocus: 106457 - GNU Binutils CVE-2018-20671 Integer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 01/07/2019 15:40
Updated: 06/23/2023 08:41
Changes: 01/07/2019 15:40 (60), 04/26/2020 10:59 (3), 06/23/2023 08:41 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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