Lizard/LZ5 lizard_decompress_liz.h Lizard_decompress_LIZv1 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Lizard and LZ5. The impacted element is the function Lizard_decompress_LIZv1 in the library lib/lizard_decompress_liz.h. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2018-11498. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lizard and LZ5 (version now known). It has been classified as critical. This affects the function Lizard_decompress_LIZv1 in the library lib/lizard_decompress_liz.h. 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:

In Lizard v1.0 and LZ5 v2.0 (the prior release, before the product was renamed), there is an unchecked buffer size during a memcpy in the Lizard_decompress_LIZv1 function (lib/lizard_decompress_liz.h). Remote attackers can leverage this vulnerability to cause a denial of service via a crafted input file, as well as achieve remote code execution.

The bug was discovered 05/03/2018. The weakness was disclosed 05/26/2018 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-11498 since 05/26/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

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

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/03/2018 🔍
05/26/2018 +22 days 🔍
05/26/2018 +0 days 🔍
05/26/2018 +0 days 🔍
05/27/2018 +1 days 🔍
03/17/2023 +1755 days 🔍

Sourcesinfo

Advisory: 16
Status: Not defined

CVE: CVE-2018-11498 (🔍)
GCVE (CVE): GCVE-0-2018-11498
GCVE (VulDB): GCVE-100-118257

Entryinfo

Created: 05/27/2018 11:23
Updated: 03/17/2023 11:12
Changes: 05/27/2018 11:23 (57), 02/09/2020 08:50 (1), 03/17/2023 11:12 (4)
Complete: 🔍
Cache ID: 216::103

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

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