Bug 1848097 (CVE-2020-12867)

Summary: CVE-2020-12867 sane-backends: NULL pointer dereference in sanei_epson_net_read function
Product: [Other] Security Response Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: mike, nphilipp, thibault.north, zdohnal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: sane-backends 1.0.30 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-18 14:34:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1848098, 1848099, 1852662, 1852663    
Bug Blocks: 1848100    

Description Guilherme de Almeida Suckevicz 2020-06-17 16:52:47 UTC 
A NULL pointer dereference in sanei_epson_net_read in SANE Backends through 1.0.29 allows a malicious device connected to the same local network as the victim to cause a denial of service, aka GHSL-2020-075.

Reference:
https://gitlab.com/sane-project/backends/-/issues/279#issue-1-ghsl-2020-075-null-pointer-dereference-in-sanei_epson_net_read
Comment 1 Guilherme de Almeida Suckevicz 2020-06-17 16:53:07 UTC 
Created mingw-sane-backends tracking bugs for this issue:

Affects: fedora-all [bug 1848099]


Created sane-backends tracking bugs for this issue:

Affects: fedora-all [bug 1848098]
Comment 2 Huzaifa S. Sidhpurwala 2020-07-01 03:31:40 UTC 
External References:

https://gitlab.com/sane-project/backends/-/issues/279#issue-1-ghsl-2020-075-null-pointer-dereference-in-sanei_epson_net_read
Comment 4 Huzaifa S. Sidhpurwala 2020-07-01 05:04:07 UTC 
Upstream patch: https://gitlab.com/sane-project/backends/-/commit/4c9e4efd4a82214719eeb1377a900e3a85c1c369
Comment 5 Product Security DevOps Team 2021-05-18 14:34:08 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-12867
Comment 6 errata-xmlrpc 2021-05-18 14:42:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:1744 https://access.redhat.com/errata/RHSA-2021:1744