VDB-119833 · CVE-2018-12698 · USN-4326-1

GNU binutils 2.30 GNU libiberty cplus-dem.c demangle_templat template resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GNU binutils 2.30. It has been rated as problematic. Affected is the function demangle_templat of the file cplus-dem.c of the component GNU libiberty. This manipulation of the argument template as part of Argument causes resource management. This vulnerability appears as CVE-2018-12698. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in GNU binutils 2.30 (Programming Tool Software). It has been declared as problematic. Affected by this vulnerability is the function demangle_templat of the file cplus-dem.c of the component GNU libiberty. The manipulation of the argument template as part of a Argument leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

demangle_template in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30, allows attackers to trigger excessive memory consumption (aka OOM) during the "Create an array for saving the template argument values" XNEWVEC call. This can occur during execution of objdump.

The bug was discovered 04/18/2018. The weakness was presented 06/23/2018 (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2018-12698 since 06/23/2018. The exploitation appears to be easy. 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 66 days. During that time the estimated underground price was around $0-$5k.

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 104539†). See VDB-119835, VDB-119834 and VDB-119832 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Programming Tool Software

Vendor

Name

binutils

Version

2.30

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: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

04/18/2018 🔍
06/23/2018 +65 days 🔍
06/23/2018 +0 days 🔍
06/23/2018 +0 days 🔍
06/23/2018 +0 days 🔍
06/24/2018 +1 days 🔍
03/28/2023 +1738 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: USN-4326-1⛔
Status: Not defined

CVE: CVE-2018-12698 (🔍)
GCVE (CVE): GCVE-0-2018-12698
GCVE (VulDB): GCVE-100-119833
SecurityFocus: 104539 - GNU libiberty CVE-2018-12698 Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 06/24/2018 12:19
Updated: 03/28/2023 17:05
Changes: 06/24/2018 12:19 (64), 02/21/2020 14:38 (3), 03/28/2023 17:05 (3)
Complete: 🔍
Cache ID: 216::103

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