Bug 1900810 (CVE-2020-20739)

Summary:	CVE-2020-20739 vips: uninitialized variable in im_vips2dz function in im_vips2dz.c may leak remote server path or stack address
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Benjamin Gilbert <bgilbert>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	adam, bgilbert
Target Milestone:	---	Keywords:	Security
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Hardware:	All
OS:	Linux
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Last Closed:	2020-12-10 21:24:23 UTC	Type:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description Guilherme de Almeida Suckevicz 2020-11-23 18:37:40 UTC

im_vips2dz in /libvips/libvips/deprecated/im_vips2dz.c in libvips before 8.8.2 has an uninitialized variable which may cause the leakage of remote server path or stack address.

Reference:
https://github.com/libvips/libvips/issues/1419

Upstream patch:
https://github.com/libvips/libvips/commit/2ab5aa7bf515135c2b02d42e9a72e4c98e17031a

Comment 1 Benjamin Gilbert 2020-11-30 03:43:09 UTC

Affects F32, but not F33 or higher.  Appears to be low severity.

Comment 2 Benjamin Gilbert 2020-12-06 06:12:10 UTC

https://bodhi.fedoraproject.org/updates/FEDORA-2020-d82261f7b1