Lizard 2.0 lz5_compress.c LZ5_compress_continue out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Lizard 2.0 and classified as problematic. Affected by this issue is the function LZ5_compress_continue of the file lz5_compress.c. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2018-16985. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Lizard 2.0 and classified as problematic. Affected by this vulnerability is the function LZ5_compress_continue of the file lz5_compress.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. The summary by CVE is:

In Lizard (formerly LZ5) 2.0, use of an invalid memory address was discovered in LZ5_compress_continue in lz5_compress.c, related to LZ5_compress_fastSmall and MEM_read32. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.

The bug was discovered 09/07/2018. The weakness was published 09/13/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-16985 since 09/13/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 6 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.

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

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

09/07/2018 🔍
09/13/2018 +5 days 🔍
09/13/2018 +0 days 🔍
09/13/2018 +0 days 🔍
09/14/2018 +1 days 🔍
05/16/2023 +1705 days 🔍

Sourcesinfo

Advisory: 18
Status: Not defined

CVE: CVE-2018-16985 (🔍)
GCVE (CVE): GCVE-0-2018-16985
GCVE (VulDB): GCVE-100-124015

Entryinfo

Created: 09/14/2018 07:14
Updated: 05/16/2023 09:56
Changes: 09/14/2018 07:14 (56), 03/23/2020 16:04 (1), 05/16/2023 09:56 (3)
Complete: 🔍
Cache ID: 216::103

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