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: Does not affect SUSE products

This issue is currently rated as having low 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 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
SUSE Bugzilla entries: 1081576 [RESOLVED / FIXED], 1081631 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 42.3
  • leptonica >= 1.72-9.1
  • leptonica-debugsource >= 1.72-9.1
  • leptonica-devel >= 1.72-9.1
  • leptonica-tools >= 1.72-9.1
  • leptonica-tools-debuginfo >= 1.72-9.1
  • liblept4 >= 1.72-9.1
  • liblept4-32bit >= 1.72-9.1
  • liblept4-debuginfo >= 1.72-9.1
  • liblept4-debuginfo-32bit >= 1.72-9.1
Patchnames:
openSUSE-2018-226