NULL Pointer Dereference in GNU Libtasn1 Affects Multiple Platforms
CVE-2017-10790

7.5HIGH

Key Information:

Vendor
Gnu
Status
Libtasn1
Vendor
CVE Published:
2 July 2017

Summary

The _asn1_check_identifier function in GNU Libtasn1 versions up to 4.12 is susceptible to a NULL pointer dereference when processing specially crafted input. This flaw can trigger a crash by assigning a NULL value within an asn1_node structure, leading to potential remote denial of service scenarios. Users of affected Libtasn1 versions are advised to apply security updates to mitigate risk.

References

https://security.gentoo.org/glsa/201710-11
vendor-advisoryx_refsource_GENTOO
https://usn.ubuntu.com/3547-1/
vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=1464141
x_refsource_MISC

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

.