cloudwu PBC up to 2017-03-02 libpbc.a pbc_pattern_set_default memory corruption

HistoryDiffrelatejsonxmlCTI

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in cloudwu PBC up to 2017-03-02. The impacted element is the function pbc_pattern_set_default of the file libpbc.a. The manipulation results in memory corruption. This vulnerability is identified as CVE-2018-14739. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in cloudwu PBC up to 2017-03-02 (Cloud Software). It has been classified as critical. Affected is the function pbc_pattern_set_default of the file libpbc.a. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in libpbc.a in cloudwu PBC through 2017-03-02. A SEGV can occur in pbc_pattern_set_default in pattern.c.

The bug was discovered 07/24/2018. The weakness was released 07/30/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-14739 since 07/29/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 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.

Entries connected to this vulnerability are available at VDB-122320, VDB-122319, VDB-122318 and VDB-122317. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

cloudwu

Name

Version

2017-03-02

Website

Product: https://github.com/cloudwu/pbc/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/24/2018 🔍
07/29/2018 +4 days 🔍
07/29/2018 +0 days 🔍
07/30/2018 +1 days 🔍
07/30/2018 +0 days 🔍
04/27/2023 +1732 days 🔍

Sourcesinfo

Product: github.com

Advisory: 122
Status: Not defined

CVE: CVE-2018-14739 (🔍)
GCVE (CVE): GCVE-0-2018-14739
GCVE (VulDB): GCVE-100-122316
See also: 🔍

Entryinfo

Created: 07/30/2018 14:26
Updated: 04/27/2023 16:34
Changes: 07/30/2018 14:26 (59), 03/11/2020 09:02 (1), 04/27/2023 16:34 (3)
Complete: 🔍
Cache ID: 216::103