CVE-2016-4008

Severity Score

5.9

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

La función _asn1_extract_der_octet en lib/decoding.c en GNU Libtasn1 en versiones anteriores a 4.8, cuando se utiliza sin el indicador ASN1_DECODE_FLAG_STRICT_DER, permite a atacantes remotos provocar una denegación de servicio (recursión infinita) a través de un certificado manipulado.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-04-13 CVE Reserved
2016-05-02 CVE Published
2024-08-06 CVE Updated
2024-09-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-399: Resource Management Errors

CAPEC

References (13)

URL	Tag	Source
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625	X_refsource_confirm
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e	X_refsource_confirm
http://www.openwall.com/lists/oss-security/2016/04/11/3	Mailing List
https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html	2023-11-07
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html	2023-11-07
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html	2023-11-07
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html	2023-11-07
http://www.debian.org/security/2016/dsa-3568	2023-11-07
http://www.ubuntu.com/usn/USN-2957-1	2023-11-07
http://www.ubuntu.com/usn/USN-2957-2	2023-11-07
https://security.gentoo.org/glsa/201703-05	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				13.2 Search vendor "Opensuse" for product "Opensuse" and version "13.2"		-		Affected
Gnu Search vendor "Gnu"		Libtasn1 Search vendor "Gnu" for product "Libtasn1"				<= 4.7 Search vendor "Gnu" for product "Libtasn1" and version " <= 4.7"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				22 Search vendor "Fedoraproject" for product "Fedora" and version "22"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				23 Search vendor "Fedoraproject" for product "Fedora" and version "23"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				24 Search vendor "Fedoraproject" for product "Fedora" and version "24"		-		Affected