CVE-2014-3484

Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : 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
http://git.musl-libc.org/cgit/musl/commit/?id=b3d9e0b94ea73c68ef4169ec82c898ce59a4e30a	Patch
http://seclists.org/oss-sec/2014/q2/495	Mailing List Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:musl-libc:musl::::::::
	cpe:2.3:a:musl-libc:musl::::::::

Information

Published : 2020-02-19 20:15

Updated : 2020-02-28 13:14

NVD link : CVE-2014-3484

Mitre link : CVE-2014-3484

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

musl-libc

musl

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