CVE-2021-40403
First published: Fri Feb 04 2022(Updated: )
An information disclosure vulnerability exists in the pick-and-place rotation parsing functionality of Gerbv 2.7.0 and dev (commit b5f1eacd), and Gerbv forked 2.8.0. A specially-crafted pick-and-place file can exploit the missing initialization of a structure to leak memory contents. An attacker can provide a malicious file to trigger this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/gerbv | <=2.7.0-1+deb10u1 | 2.7.0-1+deb10u3 2.7.0-2+deb11u2 2.9.6-1 2.10.0-1 |
| Gerbv | =2.7.0 | |
| Gerbv | =2.8.0-forked_dev | |
| Fedora | =36 | |
| Debian | =11.0 |
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Reference Links
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1417
- https://github.com/gerbv/gerbv/issues/82
- https://github.com/gerbv/gerbv/commit/c32c6f9c0b5d3b0ecc33de21d8532de6c2df5878
- https://security-tracker.debian.org/tracker/CVE-2021-40403
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PTGBC37N2FV7NKOWFVCFMPAFYEPHSB7C/
- https://www.debian.org/security/2022/dsa-5306
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTGBC37N2FV7NKOWFVCFMPAFYEPHSB7C/
Frequently Asked Questions
What is the severity of CVE-2021-40403?
CVE-2021-40403 is classified as an information disclosure vulnerability.
How do I fix CVE-2021-40403?
To fix CVE-2021-40403, upgrade Gerbv to version 2.8.0 or later.
Which versions of Gerbv are affected by CVE-2021-40403?
CVE-2021-40403 affects Gerbv versions 2.7.0 and 2.8.0 (forked dev version).
What can an attacker do with CVE-2021-40403?
An attacker can exploit CVE-2021-40403 to leak sensitive memory contents through specially-crafted pick-and-place files.
Is CVE-2021-40403 relevant for Fedora users?
Yes, CVE-2021-40403 can affect users running specific versions of Fedora that use the vulnerable Gerbv package.
- collector/security-tracker-debian
- agent/weakness
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/gerbv project
- canonical/gerbv
- version/gerbv/2.7.0
- version/gerbv/2.8.0-forked_dev
- vendor/fedoraproject
- canonical/fedora
- version/fedora/36
- vendor/debian
- canonical/debian
- version/debian/11.0