yaml-cpp 0.6.2 YAML File HandleFlowMap memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability was found in yaml-cpp 0.6.2. It has been rated as problematic. This issue affects the function SingleDocParser::HandleFlowMap of the component YAML File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

The SingleDocParser::HandleFlowMap function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.

The bug was discovered 12/28/2018. The weakness was disclosed 12/28/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-20574 since 12/28/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, 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.

The entry 128536 is pretty similar.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 6.5
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
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/28/2018 🔍
12/28/2018 +0 days 🔍
12/28/2018 +0 days 🔍
12/28/2018 +0 days 🔍
12/29/2018 +1 days 🔍
06/22/2023 +1636 days 🔍

Sourcesinfo

Advisory: 654
Status: Not defined

CVE: CVE-2018-20574 (🔍)
See also: 🔍

Entryinfo

Created: 12/29/2018 11:24
Updated: 06/22/2023 14:00
Changes: 12/29/2018 11:24 (56), 04/25/2020 09:30 (1), 06/22/2023 14:00 (3)
Complete: 🔍

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