| Name | CVE-2020-23911 |
| Description | An issue was discovered in asn1c through v0.9.28. A NULL pointer dereference exists in the function _default_error_logger() located in asn1fix.c. It allows an attacker to cause Denial of Service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| asn1c (PTS) | jessie | 0.9.24+dfsg-1 | vulnerable |
| stretch | 0.9.27+dfsg-5 | vulnerable |
| buster, bullseye | 0.9.28+dfsg-3 | vulnerable |
| sid, trixie, bookworm | 0.9.28+dfsg-5 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| asn1c | source | (unstable) | (unfixed) | unimportant | | |
Notes
Crash in CLI tool, no security impact
https://github.com/vlm/asn1c/issues/394