CVE-2021-26603: bandisoft ark Heap-based Buffer Overflow
CVSS: 8.6v3.1HighModified
Published 09-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-26603 is a high (CVSS 8.6) Heap-based Buffer Overflow vulnerability in bandisoft ark. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.8% of scored vulnerabilities.
CVSS score
8.6/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A heap overflow issue was found in ARK library of bandisoft Co., Ltd when the Ark_DigPathA function parsed a file path. This vulnerability is due to missing support for string length check.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 8.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSources2 sources · 7.8–8.6
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.66% on 20-09-2026
20-09-202620-10-2026
EPSS score0.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Bandisoft2 products
- ark7.13.0.3
- ark_library< 7.13.0.3
1 vendor · 2 products
References
1 links- www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36237X Refsource MISCThird Party Advisory