CVE-2020-12867 json
A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local net…
published 6y ago modified 4mo ago also EUVD-2020-5149
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
A NULL pointer dereference in sanei_epson_net_read 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, aka GHSL-2020-075.
Patch / fix
- sane-project sane_backends 1.0.30
- sane-backends Debian 14, Debian 13, Debian 12 1.0.31-2
debian advisories DEBIAN-CVE-2020-12867
- sane-backends Ubuntu 16.04 LTS 1.0.25+git20150528-1ubuntu2.16.04.3
- sane-backends Ubuntu 18.04 LTS 1.0.27-1~experimental3ubuntu2.3
- sane-backends Ubuntu 20.04 LTS 1.0.29-0ubuntu5.1
ubuntu advisories UBUNTU-CVE-2020-12867
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- sane-backends RHEL 8 1.0.27-22.el8
- sane-backends-libs RHEL 8 1.0.27-22.el8
- sane-backends-daemon RHEL 8 1.0.27-22.el8
- sane-backends-drivers-cameras RHEL 8 1.0.27-22.el8
- sane-backends-drivers-scanners RHEL 8 1.0.27-22.el8
red hat advisories RHSA-2021:1744
- sane-backends SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 1.0.31-4.3.1
- sane-backends SLE Module for Package Hub 15 SP2, SLE Module for Package Hub 15 SP1, SLE Module for Desktop Applications 15 SP2 +1 more 1.0.31-6.3.2
suse advisories SUSE-SU-2020:3125-1SUSE-SU-2020:3065-1
- sane-backends openSUSE Leap 15.2 1.0.31-lp152.7.3.1
- sane-backends openSUSE Leap 15.1 1.0.31-lp151.6.3.1
opensuse advisories openSUSE-SU-2020:1798-1openSUSE-SU-2020:1791-1
- sane-backends AlmaLinux 8 1.0.27-22.el8
- sane-backends-libs AlmaLinux 8 1.0.27-22.el8
- sane-backends-daemon AlmaLinux 8 1.0.27-22.el8
- sane-backends-drivers-cameras AlmaLinux 8 1.0.27-22.el8
- sane-backends-drivers-scanners AlmaLinux 8 1.0.27-22.el8
almalinux advisories ALSA-2021:1744
- sane-backends Rocky Linux 8 1.0.27-22.el8
rocky linux advisories RLSA-2021:1744
- sane Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 1.0.30-r0
alpine advisories ALPINE-CVE-2020-12867
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Is CVE-2020-12867 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-12867 updated cvss 5.7
sane-backends: NULL pointer dereference in sanei_epson_net_read function
-
Red Hat Enterprise Linux 5 sane-backends Red Hat Enterprise Linux 6 sane-backends, sane-backends-libs, sane-backends-libs-gphoto2affected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 7 sane-backends, sane-backends-libs, sane-backends-drivers-cameras, sane-backends-drivers-scannersaffected: no fix planned “Will not fix”
-
Red Hat Enterprise Linux AppStream (v. 8) sane-backends 1.0.27-22.el8, sane-backends-libs 1.0.27-22.el8, sane-backends-daemon 1.0.27-22.el8, sane-backends-drivers-cameras 1.0.27-22.el8, sane-backends-drivers-scanners 1.0.27-22.el8fixed: vendor fix RHSA-2021:1744
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- securitylab.github.com https://securitylab.github.com/advisories/GHSL-2020-075-libsane referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
securitylab.github.com
/advisories/GHSL-2020-075-libsane
exploit, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/JWUVCHURVGGYBEUOBA4PLSNXJVBKHJYJ/
vendor-advisory
-
usn.ubuntu.com
/4470-1/
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-10/msg00079.html
vendor-advisory, broken-link, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-11/msg00003.html
vendor-advisory, broken-link, mailing-list, third-party-advisory
-
alioth-lists.debian.net
/pipermail/sane-announce/2020/000041.html
mailing-list, third-party-advisory
-
gitlab.com
/sane-project/backends/-/issues/279#issue-1-ghsl-2020-075-null-pointer-dereference-in-sanei_epson_net_read
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/08/msg00029.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/10/msg00010.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-12867
- NVD CVE-2020-12867
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.