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Vulnerability Details :

CVE-2021-21775

Summary
Assigner-talos
Assigner Org ID-b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b
Published At-07 Jul, 2021 | 21:18
Updated At-03 Aug, 2024 | 18:23
Rejected At-
Credits

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:talos
Assigner Org ID:b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b
Published At:07 Jul, 2021 | 21:18
Updated At:03 Aug, 2024 | 18:23
Rejected At:
▼CVE Numbering Authority (CNA)

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

Affected Products
Vendor
n/a
Product
Webkit
Versions
Affected
  • Webkit WebKitGTK 2.30.4
Problem Types
TypeCWE IDDescription
CWECWE-416CWE-416: Use After Free
Type: CWE
CWE ID: CWE-416
Description: CWE-416: Use After Free
Metrics
VersionBase scoreBase severityVector
3.06.8MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
Version: 3.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2021/07/23/1
mailing-list
x_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
vendor-advisory
x_refsource_FEDORA
https://www.debian.org/security/2021/dsa-4945
vendor-advisory
x_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
Resource:
x_refsource_MISC
Hyperlink: http://www.openwall.com/lists/oss-security/2021/07/23/1
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://www.debian.org/security/2021/dsa-4945
Resource:
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
Resource:
vendor-advisory
x_refsource_FEDORA
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
x_refsource_MISC
x_transferred
http://www.openwall.com/lists/oss-security/2021/07/23/1
mailing-list
x_refsource_MLIST
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
vendor-advisory
x_refsource_FEDORA
x_transferred
https://www.debian.org/security/2021/dsa-4945
vendor-advisory
x_refsource_DEBIAN
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
Resource:
x_refsource_MISC
x_transferred
Hyperlink: http://www.openwall.com/lists/oss-security/2021/07/23/1
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://www.debian.org/security/2021/dsa-4945
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:talos-cna@cisco.com
Published At:07 Jul, 2021 | 22:15
Updated At:07 Nov, 2023 | 03:30

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.0HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Secondary3.06.8MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
Primary2.06.0MEDIUM
AV:N/AC:M/Au:S/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
Type: Primary
Version: 2.0
Base score: 6.0
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:S/C:P/I:P/A:P
CPE Matches
webkitgtk
webkitgtk
>>webkitgtk>>2.30.4
cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>34
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-416Primarynvd@nist.gov
CWE-416Secondarytalos-cna@cisco.com
CWE ID: CWE-416
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-416
Type: Secondary
Source: talos-cna@cisco.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.openwall.com/lists/oss-security/2021/07/23/1talos-cna@cisco.com
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/talos-cna@cisco.com
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/talos-cna@cisco.com
N/A
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229talos-cna@cisco.com
Exploit
Technical Description
Third Party Advisory
https://www.debian.org/security/2021/dsa-4945talos-cna@cisco.com
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/07/23/1
Source: talos-cna@cisco.com
Resource:
Mailing List
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KYMMBQN4PRVDLMIJT2LY2BWHLYBD57P3/
Source: talos-cna@cisco.com
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4QORERLPDN3UNNJFJSOMHZZCU2G75Q6/
Source: talos-cna@cisco.com
Resource: N/A
Hyperlink: https://talosintelligence.com/vulnerability_reports/TALOS-2021-1229
Source: talos-cna@cisco.com
Resource:
Exploit
Technical Description
Third Party Advisory
Hyperlink: https://www.debian.org/security/2021/dsa-4945
Source: talos-cna@cisco.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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