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  • #10517
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Issue created May 31, 2019 by Alicha CH@alichaReporter

libtasn1: Infinite loop in _asn1_expand_object_id(ptree) leads to memory exhaustion (CVE-2018-1000654)

The ASN.1 library used in GNUTLS (libtasn1) through versions 4.13 allows for an infinite loop due to an issue in the _asn1_expand_object_id(p_tree) function.
An attacker could exploit this via a crafted ASN.1 structure to causing high CPU usage until a resultant out-of-memory error.

References:

https://gitlab.com/gnutls/libtasn1/issues/4
https://nvd.nist.gov/vuln/detail/CVE-2018-1000654

(from redmine: issue id 10517, created on 2019-05-31)

  • Relations:
    • child #10518 (closed)
    • child #10519 (closed)
    • child #10520 (closed)
    • child #10521 (closed)
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