Vulnerability CVE-2022-27470

Vulnerability Name:

CVE-2022-27470 (CCN-225983)

Assigned:

2022-03-19

Published:

2022-03-19

Updated:

2022-05-12

Summary:

SDL_ttf v2.0.18 and below was discovered to contain an arbitrary memory write via the function TTF_RenderText_Solid(). This vulnerability is triggered via a crafted TTF file.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.0 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-787

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2022-27470

Source: XF
Type: UNKNOWN
sdlttf-cve202227470-code-exec(225983)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/libsdl-org/SDL_ttf/commit/db1b41ab8bde6723c24b866e466cad78c2fa0448

Source: CCN
Type: SDL_ttf GIT Repository
Arbitrary memory overwrite occurs when loading glyphs and rendering text with a malformed TTF file. #187

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/libsdl-org/SDL_ttf/issues/187

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-600e0cba93

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-857d1f7050

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-280ac942be

Vulnerable Configuration:

Configuration 1:

cpe:/a:libsdl:sdl_ttf:*:*:*:*:*:*:*:* (Version <= 2.0.18)

Configuration 2:

cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

OR cpe:/o:fedoraproject:fedora:36:*:*:*:*:*:*:*

Denotes that component is vulnerable

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