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CVE-2017-6437

Publication date 15 March 2017

Last updated 24 July 2024

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

5.0 · Medium

Score breakdown

The base64encode function in base64.c in libimobiledevice libplist 1.12 allows local users to cause a denial of service (out-of-bounds read) via a crafted plist file.

Read the notes from the security team

Status

Package Ubuntu Release Status
libplist 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Notes

ratliff

vanilla 1.12 does not suffer this issue, it was most likely introduced during the post-1.12 refactoring of parse_bin_node

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libplist

Severity score breakdown

Parameter Value
Base score 5.0 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H