md4c 0.2.6 md4c.c md_process_line null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in md4c 0.2.6 and classified as problematic. This issue affects the function md_process_line of the file md4c.c. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2018-12102. An attack has to be approached locally. There is no exploit available. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in md4c 0.2.6 and classified as problematic. Affected by this issue is the function md_process_line of the file md4c.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.

The bug was discovered 06/11/2018. The weakness was shared 06/11/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-12102 since 06/11/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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: no mitigation known
Status: 🔍

Timelineinfo

06/11/2018 🔍
06/11/2018 +0 days 🔍
06/11/2018 +0 days 🔍
06/11/2018 +0 days 🔍
06/12/2018 +1 days 🔍
03/22/2023 +1744 days 🔍

Sourcesinfo

Advisory: 41
Status: Not defined

CVE: CVE-2018-12102 (🔍)
GCVE (CVE): GCVE-0-2018-12102
GCVE (VulDB): GCVE-100-119354

Entryinfo

Created: 06/12/2018 08:59 AM
Updated: 03/22/2023 02:14 PM
Changes: 06/12/2018 08:59 AM (55), 02/18/2020 08:58 AM (1), 03/22/2023 02:14 PM (3)
Complete: 🔍
Cache ID: 244:58B:40

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