Vulnerability CVE-2018-6003
Published: 2018-01-22

Description:
An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

Type:

CWE-674

 (Uncontrolled Recursion)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
GNU -> Libtasn1 
Fedoraproject -> Fedora 

 References:
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97
https://bugzilla.redhat.com/show_bug.cgi?id=1535926
https://bugzilla.suse.com/show_bug.cgi?id=1076832
https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910
https://www.debian.org/security/2018/dsa-4106
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