Search criteria
9 vulnerabilities by c-ares_project
CVE-2023-32067 (GCVE-0-2023-32067)
Vulnerability from cvelistv5 – Published: 2023-05-25 22:49 – Updated: 2025-02-13 16:50
VLAI
Title
0-byte UDP payload DoS in c-ares
Summary
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.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
8 references
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| c-ares | c-ares |
Affected:
< 1.19.1
|
|
| fedoraproject | fedora |
Affected:
37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
|
| c-ares | c-ares |
Affected:
0 , < 1.19.1
(custom)
cpe:2.3:a:c-ares:c-ares:*:*:*:*:*:*:*:* |
|
| fedoraproject | fedora |
Affected:
38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
|
| debian | debian_linux |
Affected:
10.0
Affected: 11.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
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CVE-2023-31147 (GCVE-0-2023-31147)
Vulnerability from cvelistv5 – Published: 2023-05-25 21:55 – Updated: 2025-02-13 16:49
VLAI
Title
Insufficient randomness in generation of DNS query IDs in c-ares
Summary
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.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
5 references
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CVE-2023-31130 (GCVE-0-2023-31130)
Vulnerability from cvelistv5 – Published: 2023-05-25 21:45 – Updated: 2025-02-13 16:49
VLAI
Title
Buffer Underwrite in ares_inet_net_pton()
Summary
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.
Severity
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-124 - Buffer Underwrite ('Buffer Underflow')
Assigner
References
8 references
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CVE-2023-31124 (GCVE-0-2023-31124)
Vulnerability from cvelistv5 – Published: 2023-05-25 21:09 – Updated: 2025-02-13 16:49
VLAI
Title
AutoTools does not set CARES_RANDOM_FILE during cross compilation
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
5 references
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CVE-2022-4904 (GCVE-0-2022-4904)
Vulnerability from cvelistv5 – Published: 2023-03-06 00:00 – Updated: 2025-12-02 20:25
VLAI
Summary
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.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - >CWE-119
Assigner
References
4 references
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CVE-2021-3672 (GCVE-0-2021-3672)
Vulnerability from cvelistv5 – Published: 2021-11-23 00:00 – Updated: 2024-10-15 17:14
VLAI
Summary
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
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CVE-2020-8277 (GCVE-0-2020-8277)
Vulnerability from cvelistv5 – Published: 2020-11-19 00:32 – Updated: 2025-04-30 22:24
VLAI
Summary
A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.
Severity
No CVSS data available.
CWE
- CWE-400 - Denial of Service (CWE-400)
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1033107 | x_refsource_MISC |
| https://nodejs.org/en/blog/vulnerability/november… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://security.gentoo.org/glsa/202012-11 | vendor-advisoryx_refsource_GENTOO |
| https://security.gentoo.org/glsa/202101-07 | vendor-advisoryx_refsource_GENTOO |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuApr2021.html | x_refsource_MISC |
| https://www.oracle.com//security-alerts/cpujul2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuapr2022.html | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
Affected: 5.0 , < 5.* (semver) Affected: 6.0 , < 6.* (semver) Affected: 7.0 , < 7.* (semver) Affected: 8.0 , < 8.* (semver) Affected: 9.0 , < 9.* (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.19.1 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.15.1 (semver) Affected: 15.0 , < 15.2.1 (semver) |
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CVE-2017-1000381 (GCVE-0-2017-1000381)
Vulnerability from cvelistv5 – Published: 2017-07-07 17:00 – Updated: 2024-08-05 22:00
VLAI
Summary
The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://c-ares.haxx.se/0616.patch | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/99148 | vdb-entryx_refsource_BID |
| https://c-ares.haxx.se/adv_20170620.html | x_refsource_CONFIRM |
Date Public
2017-06-20 00:00
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CVE-2016-5180 (GCVE-0-2016-5180)
Vulnerability from cvelistv5 – Published: 2016-10-03 15:00 – Updated: 2024-08-06 00:53
VLAI
Summary
Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://source.android.com/security/bulletin/2017… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/93243 | vdb-entryx_refsource_BID |
| http://www.ubuntu.com/usn/USN-3143-1 | vendor-advisoryx_refsource_UBUNTU |
| https://security.gentoo.org/glsa/201701-28 | vendor-advisoryx_refsource_GENTOO |
| http://www.debian.org/security/2016/dsa-3682 | vendor-advisoryx_refsource_DEBIAN |
| https://c-ares.haxx.se/adv_20160929.html | x_refsource_CONFIRM |
| https://c-ares.haxx.se/CVE-2016-5180.patch | x_refsource_CONFIRM |
| https://googlechromereleases.blogspot.in/2016/09/… | x_refsource_CONFIRM |
| http://rhn.redhat.com/errata/RHSA-2017-0002.html | vendor-advisoryx_refsource_REDHAT |
Date Public
2016-09-29 00:00
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"assignerShortName": "Chrome",
"cveId": "CVE-2016-5180",
"datePublished": "2016-10-03T15:00:00.000Z",
"dateReserved": "2016-05-31T00:00:00.000Z",
"dateUpdated": "2024-08-06T00:53:48.437Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}