CVE-2018-6003
First published: Mon Jan 22 2018(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Libtasn1 | <=4.12 | |
| Debian Debian Linux | =9.0 | |
| Fedoraproject Fedora | =26 | |
| Fedoraproject Fedora | =27 | |
| ubuntu/libtasn1-6 | <4.12-2.1ubuntu0.1 | 4.12-2.1ubuntu0.1 |
| ubuntu/libtasn1-6 | <4.13-2 | 4.13-2 |
| ubuntu/libtasn1-6 | <4.7-3ubuntu0.16.04.3 | 4.7-3ubuntu0.16.04.3 |
| debian/libtasn1-6 | 4.16.0-2+deb11u1 4.19.0-2 4.19.0-3 |
Remedy
http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97
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Reference Links
- 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://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://www.debian.org/security/2018/dsa-4106
- https://launchpad.net/bugs/cve/CVE-2018-6003
- https://lists.gnu.org/archive/html/help-libtasn1/2018-01/msg00000.html
- http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/lib/decoding.c?id=b12bfa8932f44d1d1c25b4a2e385387a62dfbcc9
- https://gitlab.com/gnutls/libtasn1/commit/c593ae84cfcde8fea45787e53950e0ac71e9ca97
- https://security-tracker.debian.org/tracker/CVE-2018-6003
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://ubuntu.com/security/notices/USN-3547-1
- https://www.cve.org/CVERecord?id=CVE-2018-6003
- https://nvd.nist.gov/vuln/detail/CVE-2018-6003
- https://ubuntu.com/security/CVE-2018-6003
Frequently Asked Questions
What is CVE-2018-6003?
CVE-2018-6003 is a vulnerability in GNU Libtasn1 before 4.13 that allows unlimited recursion in the BER decoder, leading to stack exhaustion and DoS.
How does CVE-2018-6003 affect users?
Users of GNU Libtasn1 versions before 4.13 are affected by CVE-2018-6003, which can result in a Denial of Service (DoS) condition.
What is the severity of CVE-2018-6003?
The severity of CVE-2018-6003 is rated as high with a CVSS score of 7.5.
How can I fix CVE-2018-6003?
To fix CVE-2018-6003, users should update to GNU Libtasn1 version 4.13 or later.
Where can I find more information about CVE-2018-6003?
For more information about CVE-2018-6003, you can refer to the following references: [link1], [link2], [link3].
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