Denial of Service Vulnerability in GNU Libtasn1 Decoder Function
CVE-2018-6003

7.5HIGH

Key Information:

Vendor
Gnu
Status
Libtasn1
Vendor
CVE Published:
22 January 2018

Summary

A flaw in the _asn1_decode_simple_ber function in GNU Libtasn1 versions before 4.13 allows an attacker to exploit the BER decoder, causing unlimited recursion and resulting in stack exhaustion. This vulnerability can lead to a Denial of Service condition, disrupting the operation of applications relying on the affected library.

References

https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf...
x_refsource_CONFIRM
https://bugzilla.suse.com/show_bug.cgi?id=1076832
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https://bugzilla.redhat.com/show_bug.cgi?id=1535926
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.