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CVE-2019-13615

Published: 16 July 2019

libebml before 1.3.6, as used in the MKV module in VideoLAN VLC Media Player binaries before 3.0.3, has a heap-based buffer over-read in EbmlElement::FindNextElement.

Notes

AuthorNote
mdeslaur
upstream ticket says this is actually an issue in libebml that
was fixed in 1.3.6.

marking priority as "low" since a heap-based buffer over-read
will likely just result in a crash, not in code execution

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
libebml
Launchpad, Ubuntu, Debian
upstream
Released (1.3.6)
bionic
Released (1.3.5-2ubuntu0.1)
cosmic Ignored
(end of life, was needed)
disco Not vulnerable
(1.3.6-2)
trusty Does not exist

xenial
Released (1.3.3-1ubuntu0.1)
Patches:
upstream: https://github.com/Matroska-Org/libebml/commit/05beb69ba60acce09f73ed491bb76f332849c3a0.patch
upstream: https://github.com/Matroska-Org/libebml/commit/ff0dc3cc21494578ce731f5d7dcde5fdec23d40f.patch
upstream: https://github.com/Matroska-Org/libebml/commit/b66ca475be967547af9a3784e720fbbacd381be6.patch
upstream: https://github.com/Matroska-Org/libebml/commit/534dfdb995edc18e528de8ce9fa20b3df88426ae.patch
vlc
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
trusty Does not exist

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