High severity · published Aug 27, 2021
CVE-2021-36530
ngiflib 0.4 has a heap overflow in GetByteStr() at ngiflib.c:108 in NGIFLIB_NO_FILE mode, GetByteStr() copy memory buffer without checking the boundary
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
ngiflib 0.4 has a heap overflow in GetByteStr() at ngiflib.c:108 in NGIFLIB_NO_FILE mode, GetByteStr() copy memory buffer without checking the boundary.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NG
Ngiflib · Miniupnp Project
0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36530
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36530
Exploit
https://github.com/miniupnp/ngiflib/issues/19
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