CVE-2016-6263

The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in libidn before 1.33 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted UTF-8 data.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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
http://www.openwall.com/lists/oss-security/2016/07/21/4	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html	Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html	Third Party Advisory
https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html	Vendor Advisory
http://www.securityfocus.com/bid/92070	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2016/07/20/6	Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-3068-1	Third Party Advisory
http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=1fbee57ef3c72db2206dd87e4162108b2f425555	Issue Tracking Patch
http://www.debian.org/security/2016/dsa-3658
https://security.gentoo.org/glsa/201908-06
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E

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Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:libidn:*:*:*:*:*:*:*:*

Information

Published : 2016-09-07 13:59

Updated : 2021-06-29 08:15

NVD link : CVE-2016-6263

Mitre link : CVE-2016-6263

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

gnu

libidn

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