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CVE
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CVE-2016-4008Date: (C)2016-06-02   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
DSA-3568
FEDORA-2016-048ffb6235
FEDORA-2016-383b8250e6
FEDORA-2016-96bfd9e873
GLSA-201703-05
USN-2957-1
USN-2957-2
https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
http://www.openwall.com/lists/oss-security/2016/04/11/3
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
openSUSE-SU-2016:1567
openSUSE-SU-2016:1674

CPE    8
cpe:/a:gnu:libtasn1
cpe:/o:fedoraproject:fedora:22
cpe:/o:canonical:ubuntu_linux:15.10
cpe:/o:canonical:ubuntu_linux:16.04::~~lts~~~
...
CWE    1
CWE-399
OVAL    8
oval:org.secpod.oval:def:89045231
oval:org.secpod.oval:def:703072
oval:org.secpod.oval:def:110411
oval:org.secpod.oval:def:110453
...

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