Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2017-6438

Published: 15 March 2017

Heap-based buffer overflow in the parse_unicode_node function in bplist.c in libimobiledevice libplist 1.12 allows local users to cause a denial of service (out-of-bounds write) and possibly code execution via a crafted plist file.

Notes

AuthorNote
ratliff
poc does not exhibit failure behavior in vanilla 1.12
most likely introduced in post-1.12 refactoring of parse_bin_node

Priority

Low

Cvss 3 Severity Score

7.3

Score breakdown

Status

Package Release Status
libplist
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1.12+git+1+e37ca00-0.3)
bionic Not vulnerable
(1.12+git+1+e37ca00-0.3)
cosmic Not vulnerable
(1.12+git+1+e37ca00-0.3)
precise Ignored
(end of life)
trusty Does not exist
(trusty was not-affected [code not present])
upstream
Released (1.12+git+1+e37ca00-0.2)
xenial Not vulnerable
(code not present)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: https://github.com/libimobiledevice/libplist/commit/dccd9290745345896e3a4a73154576a599fd8b7b

Severity score breakdown

Parameter Value
Base score 7.3
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H