[Bugs] [Bug 13501] New: [CVE 21] c-ares 1.18.1 CVEs found

bugzilla bugzilla на rosalinux.ru
Ср Авг 23 23:18:08 MSK 2023


https://bugzilla.rosalinux.ru/show_bug.cgi?id=13501

          Platform: 2021.1
            Bug ID: 13501
           Summary: [CVE 21] c-ares 1.18.1  CVEs found
    Classification: ROSA-based products
           Product: ROSA Fresh
           Version: All
          Hardware: All
               URL: CVE-2022-4904, CVE-2023-31124, CVE-2023-31130,
                    CVE-2023-31147, CVE-2023-32067,
                OS: Linux
            Status: CONFIRMED
          Severity: normal
          Priority: Normal
         Component: System (kernel, glibc, systemd, bash, PAM...)
          Assignee: bugs на lists.rosalinux.ru
          Reporter: y.tumanov на rosalinux.ru
        QA Contact: bugs на lists.rosalinux.ru
                CC: e.kosachev на rosalinux.ru, s.matveev на rosalinux.ru,
                    y.tumanov на rosalinux.ru
  Target Milestone: ---
             Flags: secteam_verified?

Please patch CVEs for package c-ares version 1.18.1

INFO (CVEs are): c-ares 1.18.1
 cves found
CVE-2022-4904
Desc: A flaw was found in the c-ares package. The ares_set_sortlist is missing
checks about the validity of the input string, which allows a possible
arbitrary length stack overflow. This issue may cause a denial of service or a
limited impact on confidentiality and integrity.
Link: https://nvd.nist.gov/vuln/detail/CVE-2022-4904
Severity: HIGH
CVE-2023-31124
Desc: c-ares is an asynchronous resolver library. When cross-compiling c-ares
and using the autotools build system, CARES_RANDOM_FILE will not be set, as
seen when cross compiling aarch64 android.  This will downgrade to using rand()
as a fallback which could allow an attacker to take advantage of the lack of
entropy by not using a CSPRNG. This issue was patched in version 1.19.1.

Link: https://nvd.nist.gov/vuln/detail/CVE-2023-31124
Severity: LOW
CVE-2023-31130
Desc: c-ares is an asynchronous resolver library. ares_inet_net_pton() is
vulnerable to a buffer underflow for certain ipv6 addresses, in particular
"0::00:00:00/2" was found to cause an issue.  C-ares only uses this function
internally for configuration purposes which would require an administrator to
configure such an address via ares_set_sortlist(). However, users may
externally use ares_inet_net_pton() for other purposes and thus be vulnerable
to more severe issues. This issue has been fixed in 1.19.1.

Link: https://nvd.nist.gov/vuln/detail/CVE-2023-31130
Severity: MEDIUM
CVE-2023-31147
Desc: c-ares is an asynchronous resolver library. When /dev/urandom or
RtlGenRandom() are unavailable, c-ares uses rand() to generate random numbers
used for DNS query ids. This is not a CSPRNG, and it is also not seeded by
srand() so will generate predictable output. Input from the random number
generator is fed into a non-compilant RC4 implementation and may not be as
strong as the original RC4 implementation. No attempt is made to look for
modern OS-provided CSPRNGs like arc4random() that is widely available. This
issue has been fixed in version 1.19.1.
Link: https://nvd.nist.gov/vuln/detail/CVE-2023-31147
Severity: MEDIUM
CVE-2023-32067
Desc: c-ares is an asynchronous resolver library. c-ares is vulnerable to
denial of service. If a target resolver sends a query, the attacker forges a
malformed UDP packet with a length of 0 and returns them to the target
resolver. The target resolver erroneously interprets the 0 length as a graceful
shutdown of the connection. This issue has been patched in version 1.19.1.
Link: https://nvd.nist.gov/vuln/detail/CVE-2023-32067
Severity: HIGH

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