CVE-2019-25034

Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html	Mailing List Third Party Advisory
https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20210507-0007/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-04-27 06:15

Updated : 2024-05-17 01:36

NVD link : CVE-2019-25034

Mitre link : CVE-2019-25034

CVE.ORG link : CVE-2019-25034

JSON object : View

Products Affected

nlnetlabs

unbound

debian

debian_linux

CWE

CWE-190

Integer Overflow or Wraparound

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