NULL Pointer Dereference Affecting libtasn1-6 package, versions <4.12-2.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-LIBTASN16-339627
- published2 Jul 2017
- disclosed2 Jul 2017
Introduced: 2 Jul 2017
CVE-2017-10790 (opens in a new tab)How to fix?
Upgrade Debian:unstable libtasn1-6 to version 4.12-2.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libtasn1-6 package and not the libtasn1-6 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
The _asn1_check_identifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1_node structure. It may lead to a remote denial of service attack.
References
- https://security-tracker.debian.org/tracker/CVE-2017-10790
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10790
- https://www.debian.org/security/2018/dsa-4106
- https://security.gentoo.org/glsa/201710-11
- 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://lists.debian.org/debian-lts-announce/2020/06/msg00026.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1464141
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-10790
- https://usn.ubuntu.com/3547-1/
- 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