HylaFAX+/HylaFAX Enterprise up to 7.0.2 faxsetup Utility privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in HylaFAX+ and HylaFAX Enterprise up to 7.0.2. Affected is an unknown function of the component faxsetup Utility. Performing a manipulation results in privileges management. This vulnerability is reported as CVE-2020-15396. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability was found in HylaFAX+ and HylaFAX Enterprise up to 7.0.2. It has been classified as critical. This affects an unknown code of the component faxsetup Utility. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.

The weakness was disclosed 06/30/2020. This vulnerability is uniquely identified as CVE-2020-15396 since 06/30/2020. An attack has to be approached locally. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

The entry VDB-157498 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

06/30/2020 🔍
06/30/2020 +0 days 🔍
07/01/2020 +1 days 🔍
07/01/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-15396 (🔍)
GCVE (CVE): GCVE-0-2020-15396
GCVE (VulDB): GCVE-100-157497
See also: 🔍

Entryinfo

Created: 07/01/2020 10:44
Updated: 07/01/2020 10:49
Changes: 07/01/2020 10:44 (36), 07/01/2020 10:49 (17)
Complete: 🔍
Cache ID: 216::103

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

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