Search criteria
8 vulnerabilities found for libidn2 by gnu
CVE-2019-12290 (GCVE-0-2019-12290)
Vulnerability from nvd – Published: 2019-10-22 15:14 – Updated: 2024-08-04 23:17
VLAI?
Summary
GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-18224 (GCVE-0-2019-18224)
Vulnerability from nvd – Published: 2019-10-21 16:21 – Updated: 2024-08-05 01:47
VLAI?
Summary
idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2017-14062 (GCVE-0-2017-14062)
Vulnerability from nvd – Published: 2017-08-31 16:00 – Updated: 2024-08-05 19:13
VLAI?
Summary
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2017-14061 (GCVE-0-2017-14061)
Vulnerability from nvd – Published: 2017-08-31 16:00 – Updated: 2024-09-17 00:30
VLAI?
Summary
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-12290 (GCVE-0-2019-12290)
Vulnerability from cvelistv5 – Published: 2019-10-22 15:14 – Updated: 2024-08-04 23:17
VLAI?
Summary
GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-18224 (GCVE-0-2019-18224)
Vulnerability from cvelistv5 – Published: 2019-10-21 16:21 – Updated: 2024-08-05 01:47
VLAI?
Summary
idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2017-14061 (GCVE-0-2017-14061)
Vulnerability from cvelistv5 – Published: 2017-08-31 16:00 – Updated: 2024-09-17 00:30
VLAI?
Summary
Integer overflow in the _isBidi function in bidi.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2017-14062 (GCVE-0-2017-14062)
Vulnerability from cvelistv5 – Published: 2017-08-31 16:00 – Updated: 2024-08-05 19:13
VLAI?
Summary
Integer overflow in the decode_digit function in puny_decode.c in Libidn2 before 2.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||
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{
"name": "https://gitlab.com/libidn/libidn2/blob/master/NEWS",
"refsource": "CONFIRM",
"url": "https://gitlab.com/libidn/libidn2/blob/master/NEWS"
},
{
"name": "https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd",
"refsource": "CONFIRM",
"url": "https://gitlab.com/libidn/libidn2/commit/3284eb342cd0ed1a18786e3fcdf0cdd7e76676bd"
},
{
"name": "[debian-lts-announce] 20180727 [SECURITY] [DLA 1447-1] libidn security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2018/07/msg00040.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2017-14062",
"datePublished": "2017-08-31T16:00:00",
"dateReserved": "2017-08-31T00:00:00",
"dateUpdated": "2024-08-05T19:13:41.830Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}