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CVE-2016-1897

Publication date 14 January 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

FFmpeg 2.x allows remote attackers to conduct cross-origin attacks and read arbitrary files by using the concat protocol in an HTTP Live Streaming (HLS) M3U8 file, leading to an external HTTP request in which the URL string contains the first line of a local file.

From the Ubuntu Security Team

It was discovered that Libav incorrectly handled certain media files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

Read the notes from the security team

Status

Package Ubuntu Release Status
ffmpeg 19.04 disco
Fixed 7:2.8.6-1ubuntu1
18.10 cosmic
Fixed 7:2.8.6-1ubuntu1
18.04 LTS bionic
Fixed 7:2.8.6-1ubuntu1
17.10 artful
Fixed 7:2.8.6-1ubuntu1
17.04 zesty
Fixed 7:2.8.6-1ubuntu1
16.10 yakkety
Fixed 7:2.8.6-1ubuntu1
16.04 LTS xenial
Fixed 7:2.8.6-1ubuntu1
15.10 wily
Fixed 7:2.7.5-0ubuntu0.15.10.1
15.04 vivid Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
libav 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Ignored
14.04 LTS trusty
12.04 LTS precise
Fixed 4:0.8.17-0ubuntu0.12.04.2

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Notes

mdeslaur

DSA-3506-1 fixed this by building with --disable-protocol=concat

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 High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references