uclibc uclibc vulnerabilities and exploits

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6.8

CVSSv2

In uClibc and uClibc-ng prior to 1.0.39, incorrect handling of special characters in domain names returned by DNS servers via gethostbyname, getaddrinfo, gethostbyaddr, and getnameinfo can lead to output of wrong hostnames (leading to domain hijacking) or injection into applicati...

Uclibc Uclibc Uclibc-ng Project Uclibc-ng

5

CVSSv2

Integer signedness error in libc/string/arm/memset.S in uClibc and uClibc-ng prior to 1.0.16 allows context-dependent malicious users to cause a denial of service (crash) via a negative length value to the memset function.

Uclibc Uclibc -Uclibc-ng Project Uclibc-ng

4

CVSSv2

uClibc-ng up to and including 1.0.40 and uClibc up to and including 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.

Uclibc Uclibc Uclibc-ng Project Uclibc-ng

NA

A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1.0.40. Thread allocation can lead to memory corruption. An attacker can create threads to trigger this vulnerability.

Uclibc Uclibc 0.9.33.2 Uclibc-ng Project Uclibc-ng 1.0.40 Anker Eufy Homebase 2 Firmware 2.1.8.8h

7.5

CVSSv2

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 crafted regular expression.

Uclibc Uclibc 0.9.33.2

5

CVSSv2

In uClibc 0.9.33.2, there is stack exhaustion (uncontrolled recursion) in the check_dst_limits_calc_pos_1 function in misc/regex/regexec.c when processing a crafted regular expression.

Uclibc Uclibc 0.9.33.2

5

CVSSv2

The __decode_dotted function in libc/inet/resolv.c in uClibc-ng prior to 1.0.12 allows remote DNS servers to cause a denial of service (infinite loop) via vectors involving compressed items in a reply.

Uclibc-ng Project Uclibc-ng

5

CVSSv2

The __read_etc_hosts_r function in libc/inet/resolv.c in uClibc-ng prior to 1.0.12 allows remote DNS servers to cause a denial of service (infinite loop) via a crafted packet.

Uclibc-ng Project Uclibc-ng

7.5

CVSSv2

uClibc-ng versions before 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Uclibc-ng Project Uclibc-ng

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