Vulnerability Name:

CVE-2021-36083 (CCN-204791)

Assigned:2021-04-27
Published:2021-04-27
Updated:2021-07-08
Summary:KDE KImageFormats 5.70.0 through 5.81.0 has a stack-based buffer overflow in XCFImageFormat::loadTileRLE.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/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): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/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): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-36083

Source: CCN
Type: Google Security Research Issue 33742
kimageformats:kimgio_xcf_fuzzer: Stack-buffer-overflow in XCFImageFormat::loadTileRLE

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33742

Source: XF
Type: UNKNOWN
kde-cve202136083-dos(204791)

Source: MISC
Type: Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/kimageformats/OSV-2021-695.yaml

Source: CCN
Type: KImageFormats GIT Repository
xcf: Fix Stack-buffer-overflow WRITE on broken files

Source: MISC
Type: Patch, Third Party Advisory
https://invent.kde.org/frameworks/kimageformats/commit/297ed9a2fe339bfe36916b9fce628c3242e5be0f

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-36083

Vulnerable Configuration:Configuration 1:
  • cpe:/a:kde:kimageformats:*:*:*:*:*:*:*:* (Version >= 5.70.0 and <= 5.81.0)

    • * Denotes that component is vulnerable
    BACK
    kde kimageformats *