ok-file-formats up to 2018-10-16 ok_mo.c ok_mo_decode2 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in ok-file-formats up to 2018-10-16. This affects the function ok_mo_decode2 of the file ok_mo.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2018-20618. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in ok-file-formats up to 2018-10-16. Affected is the function ok_mo_decode2 of the file ok_mo.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. CVE summarizes:

ok-file-formats through 2018-10-16 has a heap-based buffer over-read in the ok_mo_decode2 function in ok_mo.c.

The bug was discovered 12/31/2018. The weakness was disclosed 12/31/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-20618 since 12/31/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/31/2018 🔍
12/31/2018 +0 days 🔍
12/31/2018 +0 days 🔍
12/31/2018 +0 days 🔍
01/01/2019 +1 days 🔍
05/06/2025 +2317 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-20618 (🔍)
GCVE (CVE): GCVE-0-2018-20618
GCVE (VulDB): GCVE-100-128592

Entryinfo

Created: 01/01/2019 12:10
Updated: 05/06/2025 20:29
Changes: 01/01/2019 12:10 (55), 04/25/2020 15:53 (1), 05/06/2025 20:29 (16)
Complete: 🔍
Cache ID: 216::103

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