CVE-2020-12866: Null Pointer Dereference
First published: Wed Jun 24 2020(Updated: )
A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/sane-backends | <1.0.27-1~ | 1.0.27-1~ |
| ubuntu/sane-backends | <1.0.29-0ubuntu5.1 | 1.0.29-0ubuntu5.1 |
| ubuntu/sane-backends | <1.0.30 | 1.0.30 |
| debian/sane-backends | 1.0.31-4.1 1.2.1-2 1.3.0-1 | |
| Sane-backends | <1.0.30 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =20.04 | |
| SUSE Linux | =15.1 | |
| SUSE Linux | =15.2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html
- https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
- https://securitylab.github.com/advisories/GHSL-2020-075-libsane
- https://usn.ubuntu.com/4470-1/
- https://launchpad.net/bugs/cve/CVE-2020-12866
- https://gitlab.com/sane-project/backends/-/issues/279
- https://gitlab.com/sane-project/backends/-/issues/279#issue-2-ghsl-2020-079-null-pointer-dereference-in-epsonds_net_read
- https://gitlab.com/sane-project/backends/-/commit/30b1831a28f24ab2921b9f717c66d37f02bb81cc
- https://gitlab.com/sane-project/backends/-/merge_requests/500
- https://security-tracker.debian.org/tracker/CVE-2020-12866
- https://gitlab.com/sane-project/backends/-/releases/1.0.30
- https://ubuntu.com/security/notices/USN-4470-1
- https://www.cve.org/CVERecord?id=CVE-2020-12866
- https://nvd.nist.gov/vuln/detail/CVE-2020-12866
- https://ubuntu.com/security/CVE-2020-12866
Frequently Asked Questions
What is the severity of CVE-2020-12866?
CVE-2020-12866 has been assigned a severity level that can lead to denial of service due to a NULL pointer dereference.
How do I fix CVE-2020-12866?
To fix CVE-2020-12866, upgrade SANE Backends to version 1.0.30 or later.
Which versions of SANE Backends are affected by CVE-2020-12866?
Versions of SANE Backends prior to 1.0.30 are affected by CVE-2020-12866.
What attack vector is associated with CVE-2020-12866?
CVE-2020-12866 can be exploited by a malicious device on the same local network.
How does CVE-2020-12866 affect users?
Users affected by CVE-2020-12866 may experience software crashes or service interruptions.
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