CVE-2018-7247

Publication date 19 February 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

An issue was discovered in pixHtmlViewer in prog/htmlviewer.c in Leptonica before 1.75.3. Unsanitized input (rootname) can overflow a buffer, leading potentially to arbitrary code execution or possibly unspecified other impact.

From the Ubuntu Security Team

It was discovered tha Leptonica incorrectly handled certain image files. An attacker could possibly use this issue to execute arbitrary code or other unspecified impact.

Status

Package Ubuntu Release Status
leptonlib 23.04 lunar
Fixed 1.76.0-1
22.10 kinetic
Fixed 1.76.0-1
22.04 LTS jammy
Fixed 1.76.0-1
21.10 impish
Fixed 1.76.0-1
21.04 hirsute
Fixed 1.76.0-1
20.10 groovy
Fixed 1.76.0-1
20.04 LTS focal
Fixed 1.76.0-1
19.10 eoan
Fixed 1.76.0-1
19.04 disco
Fixed 1.76.0-1
18.10 cosmic
Fixed 1.76.0-1
18.04 LTS bionic
17.10 artful Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

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Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5143-1
    • Leptonica vulnerability
    • 8 February 2022

Other references