CVE-2020-24334: uip_project uip Out-of-bounds Read
CVSS: 8.2v3.1HighModified
Published 11-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-24334 is a high (CVSS 8.2) Out-of-bounds Read vulnerability in uip_project uip. EPSS estimates a 2.43% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (NVD)EPSS score
2.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HSourcesSingle source
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.43%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.43% on 21-09-2026
21-09-202621-10-2026
EPSS score2.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Uip_project1 product
- uip≤ 1.0
1 vendor · 1 product
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-20-343-01X Refsource MISCThird Party AdvisoryUS Government Resource