Uclibc
CVE-2022-30295
MEDIUM
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2.
AnalysisAI
uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-330. uClibc-ng through 1.0.40 and uClibc through 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning. This is related to a reset of a value to 0x2. Affected products include: Uclibc, Uclibc-Ng Project Uclibc-Ng. Version information: through 1.0.40.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1
In uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DNS servers
In uClibc 0.9.33.2, there is an out-of-bounds read in the get_subexp function in misc/regex/regexec.c when processing a
Integer signedness error in libc/string/arm/memset.S in uClibc and uClibc-ng before 1.0.16 allows context-dependent atta
In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in mi
Same weakness CWE-330 – Use of Insufficiently Random Values
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External POC / Exploit Code
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