Vulnerability Details : CVE-2021-4214
Potential exploit
A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2021-4214
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:*
- cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4214
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4214
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-4214
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The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: secalert@redhat.com (Primary)
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The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Secondary)
References for CVE-2021-4214
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https://bugzilla.redhat.com/show_bug.cgi?id=2043393
2043393 – (CVE-2021-4214) CVE-2021-4214 libpng: hardcoded value leads to heap-overflowExploit;Issue Tracking;Third Party Advisory
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https://security-tracker.debian.org/tracker/CVE-2021-4214
CVE-2021-4214Third Party Advisory
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https://github.com/glennrp/libpng/issues/302
A potential heap overflow issue · Issue #302 · glennrp/libpng · GitHubExploit;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20221020-0001/
CVE-2021-4214 Libpng Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
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https://access.redhat.com/security/cve/CVE-2021-4214
CVE-2021-4214- Red Hat Customer PortalThird Party Advisory
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