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MediaTekCVE-2023-20696

HistoryMay 15, 2023 - 10:15 p.m.

CVE-2023-20696

2023-05-1522:15:10

CWE-787

MediaTek

web.nvd.nist.gov

cve-2023-20696

out of bounds write

preloader

missing bounds check

local escalation

privilege escalation

system execution privileges

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only); Issue ID: ALPS07856356 / ALPS07874388 (For MT6880 and MT6890 only).

Affected configurations

Nvd

Vulners

Node

googleandroidMatch13.0

openwrtopenwrtMatch19.07.0-

openwrtopenwrtMatch21.02.0-

AND

mediatekmt6880Match-

mediatekmt6890Match-

mediatekmt8167Match-

mediatekmt8175Match-

mediatekmt8185Match-

mediatekmt8195Match-

mediatekmt8321Match-

mediatekmt8365Match-

mediatekmt8385Match-

mediatekmt8395Match-

mediatekmt8666Match-

mediatekmt8667Match-

mediatekmt8673Match-

mediatekmt8675Match-

mediatekmt8765Match-

mediatekmt8766Match-

mediatekmt8768Match-

mediatekmt8781Match-

mediatekmt8786Match-

mediatekmt8788Match-

mediatekmt8789Match-

mediatekmt8791Match-

mediatekmt8791tMatch-

mediatekmt8797Match-

VendorProductVersionCPE
googleandroid13.0cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
openwrtopenwrt19.07.0cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
openwrtopenwrt21.02.0cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
mediatekmt6880-cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*
mediatekmt6890-cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
mediatekmt8167-cpe:2.3:h:mediatek:mt8167:-:*:*:*:*:*:*:*
mediatekmt8175-cpe:2.3:h:mediatek:mt8175:-:*:*:*:*:*:*:*
mediatekmt8185-cpe:2.3:h:mediatek:mt8185:-:*:*:*:*:*:*:*
mediatekmt8195-cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:*
mediatekmt8321-cpe:2.3:h:mediatek:mt8321:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
google	android	13.0	cpe:2.3:o:google:android:13.0:::::::*
openwrt	openwrt	19.07.0	cpe:2.3:o:openwrt:openwrt:19.07.0:-::::::
openwrt	openwrt	21.02.0	cpe:2.3:o:openwrt:openwrt:21.02.0:-::::::
mediatek	mt6880	-	cpe:2.3:h:mediatek:mt6880:-:::::::*
mediatek	mt6890	-	cpe:2.3:h:mediatek:mt6890:-:::::::*
mediatek	mt8167	-	cpe:2.3:h:mediatek:mt8167:-:::::::*
mediatek	mt8175	-	cpe:2.3:h:mediatek:mt8175:-:::::::*
mediatek	mt8185	-	cpe:2.3:h:mediatek:mt8185:-:::::::*
mediatek	mt8195	-	cpe:2.3:h:mediatek:mt8195:-:::::::*
mediatek	mt8321	-	cpe:2.3:h:mediatek:mt8321:-:::::::*

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CNA Affected

[
  {
    "vendor": "MediaTek, Inc.",
    "product": "MT6880, MT6890, MT8167, MT8175, MT8185, MT8195, MT8321, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797",
    "versions": [
      {
        "version": "Android 13.0 / OpenWrt 19.07, 21.02",
        "status": "affected"
      }
    ]
  }
]

References

corp.mediatek.com/product-security-bulletin/May-2023

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

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