CVE-2021-28903

A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/CESNET/libyang/issues/1453	Exploit Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202107-54	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-05-20 19:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-28903

Mitre link : CVE-2021-28903

CVE.ORG link : CVE-2021-28903

JSON object : View

Products Affected

cesnet

libyang

CWE

CWE-674

Uncontrolled Recursion

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