VDB-109615 · CVE-2017-1000206 · GCVE-0-2017-1000206

samtools htslib Library up to 1.4.0 CRAM rANS Codec memory corruption

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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in samtools htslib Library up to 1.4.0. Affected by this vulnerability is an unknown functionality of the component CRAM rANS Codec. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-1000206. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in samtools htslib Library up to 1.4.0 (Software Library) and classified as critical. Affected by this vulnerability is some unknown functionality of the component CRAM rANS Codec. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

samtools htslib library version 1.4.0 and earlier is vulnerable to buffer overflow in the CRAM rANS codec resulting in potential arbitrary code execution

The bug was discovered 11/17/2017. The weakness was published 11/17/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2017-1000206 since 11/17/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Software Library

Name

samtools htslib Library

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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

11/17/2017 🔍
11/17/2017 +0 days 🔍
11/17/2017 +0 days 🔍
11/17/2017 +0 days 🔍
11/18/2017 +1 days 🔍
12/08/2019 +750 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000206 (🔍)
GCVE (CVE): GCVE-0-2017-1000206
GCVE (VulDB): GCVE-100-109615

Entryinfo

Created: 11/18/2017 08:49
Updated: 12/08/2019 08:33
Changes: 11/18/2017 08:49 (55), 12/08/2019 08:33 (2)
Complete: 🔍
Cache ID: 216::103