Bug 1984060 (CVE-2019-25050)

Summary:	CVE-2019-25050 gdal: stack-based buffer overflow in nc4_get_att
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	alex, devrim, jmlich83, manisandro, neteler, oliver, pavel.lisy, pertusus, praiskup, volker27
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-20 15:54:41 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:	1984061, 1984062, 1984063
Bug Blocks:

Description Michael Kaplan 2021-07-20 14:40:19 UTC

netCDF in GDAL 2.4.2 through 3.0.4 has a stack-based buffer overflow in nc4_get_att (called from nc4_get_att_tc and nc_get_att_text) and in uffd_cleanup (called from netCDFDataset::~netCDFDataset and netCDFDataset::~netCDFDataset).

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15143
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15156
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-420.yaml
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2020-392.yaml
https://github.com/OSGeo/gdal/commit/767e3a56144f676ca738ef8f700e0e56035bd05a
https://github.com/OSGeo/gdal/commit/27b9bf644bcf1208f7d6594bdd104cc8a8bb0646

Comment 1 Michael Kaplan 2021-07-20 14:41:03 UTC

Created gdal tracking bugs for this issue:

Affects: epel-all [bug 1984063]
Affects: fedora-all [bug 1984061]


Created mingw-gdal tracking bugs for this issue:

Affects: fedora-all [bug 1984062]

Comment 2 Product Security DevOps Team 2021-07-20 15:54:41 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.