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CVE-2017-18184

Published: 13 February 2018

An issue was discovered in QPDF before 7.0.0. There is a stack-based out-of-bounds read in the function iterate_rc4 in QPDF_encryption.cc.

Notes

AuthorNote
leosilva
couldn't reproduce in trusty or xenial. Also code in these
two releases are quite different from patch one.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
qpdf
Launchpad, Ubuntu, Debian
upstream
Released (7.0.0-1)
xenial
Released (8.0.2-3~16.04.1)
artful Not vulnerable
(7.0.0-1)
bionic Not vulnerable

trusty
Released (8.0.2-3~14.04.1)
Patches:
upstream: https://github.com/qpdf/qpdf/commit/dea704f0ab7f625e1e7b3f9a1110b45b63157317

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H