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CVE-2015-8927

Publication date 20 September 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

The trad_enc_decrypt_update function in archive_read_support_format_zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted zip file, related to reading the password.

Read the notes from the security team

Status

Package Ubuntu Release Status
libarchive 16.04 LTS xenial
Not affected
15.10 wily
Not affected
14.04 LTS trusty
Not affected
12.04 LTS precise
Not affected

Notes

mdeslaur

pkware support introduced in 3.2.0

Patch details

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

Package Patch details
libarchive

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
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