VDB-128706 · CVE-2018-20673 · BID 106454

GNU binutils 2.31.1 libiberty cplus-dem.c demangle_template Argument integer overflow

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GNU binutils 2.31.1 and classified as critical. The affected element is the function demangle_template of the file cplus-dem.c of the component libiberty. The manipulation as part of Argument results in integer overflow. This vulnerability is identified as CVE-2018-20673. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability was found in GNU binutils 2.31.1 (Programming Tool Software). It has been classified as critical. Affected is the function demangle_template of the file cplus-dem.c of the component libiberty. The manipulation as part of a Argument leads to a integer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.

The bug was discovered 01/04/2019. The weakness was released 01/04/2019 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2018-20673 since 01/04/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

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 106454†). Entry connected to this vulnerability is available at VDB-128705. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Programming Tool Software

Vendor

Name

binutils

Version

2.31.1

License

open-source

Website

Vendor: https://www.gnu.org/

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

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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: 🔍

Timelineinfo

12/27/2018 🔍
01/04/2019 +8 days 🔍
01/04/2019 +0 days 🔍
01/04/2019 +0 days 🔍
01/04/2019 +0 days 🔍
01/07/2019 +3 days 🔍
04/26/2020 +475 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-20673 (🔍)
GCVE (CVE): GCVE-0-2018-20673
GCVE (VulDB): GCVE-100-128706
SecurityFocus: 106454 - GNU libiberty CVE-2018-20673 Integer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 01/07/2019 15:41
Updated: 04/26/2020 11:07
Changes: 01/07/2019 15:41 (62), 04/26/2020 11:07 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.