CVE-2018-6003

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.58% Top 20%
Vendor Advisory debian.org Vendor Advisory nongnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910 third party advisory
https://bugzilla.suse.com/show_bug.cgi?id=1076832 issue tracking third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1535926 issue tracking third party advisory
https://www.debian.org/security/2018/dsa-4106 third party advisory vendor advisory
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97 patch vendor advisory
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E mailing list
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2018-6003?
CVE-2018-6003 has been scored as a high severity vulnerability.
How to fix CVE-2018-6003?
To fix CVE-2018-6003, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-6003 being actively exploited in the wild?
It is possible that CVE-2018-6003 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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