Upstream information

CVE-2018-7186 at MITRE

Description

Leptonica before 1.75.3 does not limit the number of characters in a %s format argument to fscanf or sscanf, which allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a long string, as demonstrated by the gplotRead and ptaReadStream functions.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 9.8
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3
SUSE Bugzilla entries: 1081576 [RESOLVED / FIXED], 1081631 [RESOLVED / FIXED]

SUSE Security Advisories:

    openSUSE-SU-2018:0615-1

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • leptonica-devel >= 1.80.0-1.9
  • leptonica-tools >= 1.80.0-1.9
  • liblept5 >= 1.80.0-1.9
  • liblept5-32bit >= 1.80.0-1.9
 Patchnames:
openSUSE-Tumbleweed-2024-10914

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Module for Package Hub 15 SP7 leptonica Already fixed

SUSE Timeline for this CVE

CVE page created: Fri Feb 16 19:30:49 2018
CVE page last modified: Wed Apr 30 14:12:53 2025