CVE-2020-24339
High
Description
An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The DNS domain name record decompression functionality in pico_dns_decompress_name() in pico_dns_common.c does not validate the compression pointer offset values with respect to the actual data present in a DNS response packet, causing out-of-bounds reads that lead to Denial-of-Service.
SeverityHigh
CVSS7.5
Exploit probability—
ProductAltran Picotcp
PublishedDec 11, 2020
First seenDec 11, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| altran picotcp | v ≤ 1.7.0 | — |
| altran picotcp-ng | v ≤ 1.7.0 | — |
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