Bug 1900810 (CVE-2020-20739) - CVE-2020-20739 vips: uninitialized variable in im_vips2dz function in im_vips2dz.c may leak remote server path or stack address
Summary: CVE-2020-20739 vips: uninitialized variable in im_vips2dz function in im_vips...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-20739
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Benjamin Gilbert
QA Contact:
URL:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-11-23 18:37 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-12-10 21:24 UTC (History)
2 users (show)

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Last Closed: 2020-12-10 21:24:23 UTC
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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
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