GNU libiberty 2.31.1 demangle_template String resource management

CVSS Meta Temp Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GNU libiberty 2.31.1. Affected by this vulnerability is the function demangle_template. The manipulation as part of String results in resource management. This vulnerability is cataloged as CVE-2018-20657. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in GNU libiberty 2.31.1. It has been classified as problematic. Affected is the function demangle_template. The manipulation as part of a String leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.

The bug was discovered 01/02/2019. The weakness was shared 01/02/2019 (Website). The advisory is available at gcc.gnu.org. This vulnerability is traded as CVE-2018-20657 since 01/02/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 106444†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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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

01/02/2019 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/02/2019 +0 days 🔍
01/03/2019 +1 days 🔍
06/22/2023 +1631 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: RHSA-2019:3352
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20657 (🔍)
GCVE (CVE): GCVE-0-2018-20657
GCVE (VulDB): GCVE-100-128634
SecurityFocus: 106444 - GNU Binutils CVE-2018-20657 Denial of Service Vulnerability

Entryinfo

Created: 01/03/2019 12:49
Updated: 06/22/2023 18:21
Changes: 01/03/2019 12:49 (58), 04/25/2020 18:51 (4), 06/22/2023 18:21 (3)
Complete: 🔍
Cache ID: 216::103

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

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