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cveTalosCVE-2020-13544
HistoryJan 06, 2021 - 3:15 p.m.

CVE-2020-13544

2021-01-0615:15:14
CWE-681
CWE-194
talos
web.nvd.nist.gov
33
cve-2020-13544
sign extension
vulnerability
softmaker office 2021
textmaker
exploit
document parsing
heap buffer overflow

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

53.2%

An exploitable sign extension vulnerability exists in the TextMaker document parsing functionality of SoftMaker Office 2021’s TextMaker application. A specially crafted document can cause the document parser to sign-extend a length used to terminate a loop, which can later result in the loop’s index being used to write outside the bounds of a heap buffer during the reading of file data. An attacker can entice the victim to open a document to trigger this vulnerability.

Affected configurations

Nvd
Vulners
Node
softmakersoftmaker_officeMatch2021
VendorProductVersionCPE
softmakersoftmaker_office2021cpe:2.3:a:softmaker:softmaker_office:2021:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Softmaker",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "SoftMaker Software GmbH SoftMaker Office TextMaker 2021 (revision 1014)"
      }
    ]
  }
]

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

53.2%

Related for CVE-2020-13544