4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 Medium
AI Score
Confidence
High
0.256 Low
EPSS
Percentile
96.7%
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.
git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
git.savannah.gnu.org/gitweb/?p=libtasn1.git%3Ba=commit%3Bh=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
www.debian.org/security/2016/dsa-3568
www.openwall.com/lists/oss-security/2016/04/11/3
www.ubuntu.com/usn/USN-2957-1
www.ubuntu.com/usn/USN-2957-2
lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
security.gentoo.org/glsa/201703-05
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 Medium
AI Score
Confidence
High
0.256 Low
EPSS
Percentile
96.7%