CVE-2024-20747 TALOS-2023-1908 - Adobe Acrobat Reader Font CharStrings INDEX out-of-bounds read vulnerability

2024-02-1512:18:41

CWE-125

adobe

github.com

adobe acrobat

out-of-bounds read

vulnerability

sensitive memory

aslr

user interaction

malicious file

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.9

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

Acrobat Reader versions 20.005.30539, 23.008.20470 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:adobe:acrobat_dc:-:*:*:*:pro:*:*:*"
    ],
    "vendor": "adobe",
    "product": "acrobat_dc",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "23.008.20470"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:adobe:acrobat_reader_dc:-:*:*:*:classic:*:*:*"
    ],
    "vendor": "adobe",
    "product": "acrobat_reader_dc",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "23.008.20470"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:adobe:acrobat:2020:*:*:*:*:*:*:*"
    ],
    "vendor": "adobe",
    "product": "acrobat",
    "versions": [
      {
        "status": "affected",
        "version": "2020",
        "versionType": "custom",
        "lessThanOrEqual": "20.005.30539"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "cpes": [
      "cpe:2.3:a:adobe:acrobat_reader:2020:*:*:*:classic:*:*:*"
    ],
    "vendor": "adobe",
    "product": "acrobat_reader",
    "versions": [
      {
        "status": "affected",
        "version": "2020",
        "versionType": "custom",
        "lessThanOrEqual": "20.005.30539"
      }
    ],
    "defaultStatus": "unknown"
  }
]