Candidate: CVE-2020-19131
PublicDate: 2021-09-07 15:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19131
 http://blog.topsec.com.cn/%E5%A4%A9%E8%9E%8D%E4%BF%A1%E5%85%B3%E4%BA%8Elibtiff%E4%B8%ADinvertimage%E5%87%BD%E6%95%B0%E5%A0%86%E6%BA%A2%E5%87%BA%E6%BC%8F%E6%B4%9E%E7%9A%84%E5%88%86%E6%9E%90/
Description:
 Buffer Overflow in LibTiff v4.0.10 allows attackers to cause a denial of
 service via the "invertImage()" function in the component "tiffcrop".
Ubuntu-Description:
Notes:
 mdeslaur> reproducer causes an out-of-bounds read, so DoS only
Mitigation:
Bugs:
 http://bugzilla.maptools.org/show_bug.cgi?id=2831
Priority: negligible
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]


Patches_tiff:
 upstream: https://gitlab.com/libtiff/libtiff/-/merge_requests/61
 upstream: https://gitlab.com/libtiff/libtiff/-/commit/9cfa5c469109c207bf3b916c52e618d4400ba2c0
upstream_tiff: needs-triage
trusty_tiff: ignored (out of standard support)
trusty/esm_tiff: needs-triage
xenial_tiff: ignored (out of standard support)
esm-infra/xenial_tiff: needs-triage
bionic_tiff: needed
focal_tiff: not-affected (4.1.0+git191117-2ubuntu0.20.04.1)
hirsute_tiff: not-affected (4.2.0-1build1)
impish_tiff: not-affected (4.3.0-1)
jammy_tiff: not-affected (4.3.0-1)
devel_tiff: not-affected (4.3.0-1)