CVE-2019-14452

Published: 30 July 2019

Sigil before 0.9.16 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive entry that is mishandled during extraction.

From the Ubuntu Security Team

Mike Salvatore discovered that Sigil mishandled certain malformed EPUB files. An attacker could use this vulnerability to write arbitrary files to the filesystem.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
sigil Launchpad, Ubuntu, Debian	bionic	Released (0.9.9+dfsg-1ubuntu0.1~esm1)
	disco	Released (0.9.13+dfsg-1ubuntu0.1)
	trusty	Does not exist
	upstream	Released (0.9.16)
	xenial	Released (0.9.5+dfsg-0ubuntu1+esm1)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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