CVE-2018-1000654
First published: Mon Aug 20 2018(Updated: )
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libtasn1 | =4.12 | |
| Libtasn1 | =4.13 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00018.html
- http://www.securityfocus.com/bid/105151
- https://gitlab.com/gnutls/libtasn1/issues/4
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
Frequently Asked Questions
What is the severity of CVE-2018-1000654?
CVE-2018-1000654 is classified as a medium severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2018-1000654?
To fix CVE-2018-1000654, upgrade to GNU Libtasn1 version 4.14 or later.
What issue does CVE-2018-1000654 exploit in GNU Libtasn1?
CVE-2018-1000654 exploits an issue in _asn1_expand_object_id(p_tree), leading to increased CPU usage.
Which versions of GNU Libtasn1 are affected by CVE-2018-1000654?
CVE-2018-1000654 affects GNU Libtasn1 versions 4.12 and 4.13.
What type of attack is associated with CVE-2018-1000654?
CVE-2018-1000654 is associated with a denial of service (DoS) attack.
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- version/centos libtasn1/4.12
- version/centos libtasn1/4.13