PT-2021-7601 · Cgal+1 · Cgal+1
CVE-2020-28612
·
Published
2021-01-12
·
Updated
2023-05-30
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
CGAL versions prior to 5.1.1
CGAL libcgal version 5.1.1
Description
The issue is related to the
SNC io parser<EW>::read vertex() function in the Nef S2/SNC io parser.h component of the CGAL library, which is used for computational geometry algorithms. This function has a problem with reading beyond the valid boundaries of a data buffer. An attacker, acting remotely, can exploit this to access confidential data, compromise its integrity, and cause a denial of service by using a specially crafted file. The vulnerability can also lead to code execution due to an out-of-bounds read and type confusion when parsing a malformed file.Recommendations
For CGAL versions prior to 5.1.1, consider updating to a version that includes the fix for this issue.
For CGAL libcgal version 5.1.1, as a temporary workaround, consider restricting the use of the
SNC io parser<EW>::read vertex() function until a patch is available.
Avoid using the vh->svertices begin() function in the affected Nef S2/SNC io parser.h component until the issue is resolved.Exploit
Fix
Out of bounds Read
Improper Validation of Array Index
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Related Identifiers
Affected Products
Astra Linux
Cgal