UBUNTU-CVE-2018-20452
Dashboard / Vulnerabilities / UBUNTU-CVE-2018-20452
Summary:
Details: The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c.
References: https://ubuntu.com/security/CVE-2018-20452, https://github.com/evanmiller/libxls/issues/35, https://www.cve.org/CVERecord?id=CVE-2018-20452
Affected packages
Package
Name: r-cran-readxl
Purl: pkg:deb/ubuntu/r-cran-readxl?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
0.1.0-1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
