VDB-121167 · CVE-2018-13873 · GCVE-0-2018-13873

HDF5 1.8.20 H5Ocache.c H5O_chunk_deserialize 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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in HDF5 1.8.20. This affects the function H5O_chunk_deserialize of the file H5Ocache.c. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2018-13873. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in HDF5 1.8.20 (Database Software). This affects the function H5O_chunk_deserialize of the file H5Ocache.c. 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. The summary by CVE is:

An issue was discovered in the HDF HDF5 1.8.20 library. There is a buffer over-read in H5O_chunk_deserialize in H5Ocache.c.

The bug was discovered 07/11/2018. The weakness was disclosed 07/10/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-13873 since 07/10/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability 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 entries VDB-121160, VDB-121161, VDB-121162 and VDB-121163 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Database Software

Name

HDF5

Version

1.8.20

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: 🔍

Timelineinfo

07/10/2018 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
07/11/2018 +0 days 🔍
03/18/2025 +2442 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-13873 (🔍)
GCVE (CVE): GCVE-0-2018-13873
GCVE (VulDB): GCVE-100-121167
See also: 🔍

Entryinfo

Created: 07/11/2018 11:08
Updated: 03/18/2025 21:34
Changes: 07/11/2018 11:08 (57), 03/02/2020 08:33 (1), 03/18/2025 21:34 (16)
Complete: 🔍
Cache ID: 216::103