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.
8.9	$0-$5k	0.00

A vulnerability classified as critical has been found in Hesiod 3.2.1. Affected is the function read_config_file in the library lib/hesiod.c of the component Configuration File Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The read_config_file function in lib/hesiod.c in Hesiod 3.2.1 falls back to the ".athena.mit.edu" default domain when opening the configuration file fails, which allows remote attackers to gain root privileges by poisoning the DNS cache.

The bug was discovered 01/20/2017. The weakness was released 03/28/2017 by Florian Weimer (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2016-10152 since 01/20/2017. The exploitability is told to be difficult. 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. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 67 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 109533 (GLSA-201805-01 : hesiod: Root privilege escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277546 (Fedora Security Update for hesiod (FEDORA-2018-25c6d1b417)).

A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109533). Entry connected to this vulnerability is available at VDB-97394.

Productinfo

Name

• Hesiod

Version

• 3.2.1

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.1
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

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

Nessus ID: 109533
Nessus Name: GLSA-201805-01 : hesiod: Root privilege escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

05/04/2016 🔍
01/20/2017 +261 days 🔍
01/20/2017 +0 days 🔍
03/28/2017 +67 days 🔍
03/28/2017 +0 days 🔍
03/28/2017 +0 days 🔍
05/02/2018 +400 days 🔍
05/03/2018 +1 days 🔍
11/22/2022 +1664 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Florian Weimer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10152 (🔍)
SecurityFocus: 90952 - Hesiod Security Bypass and Privilege Escalation Vulnerabilities
OSVDB: - CVE-2016-10152 - Hesiod - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 03/28/2017 22:08
Updated: 11/22/2022 14:33
Changes: 03/28/2017 22:08 (66), 08/23/2020 11:22 (15), 11/22/2022 14:33 (3)
Complete: 🔍
Cache ID: 3:89C:103

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