ghsa-mprq-hpvv-8wcc
Vulnerability from github
Published
2022-05-14 03:24
Modified
2022-05-14 03:24
Severity
Details
In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero's (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.
{
"affected": [],
"aliases": [
"CVE-2017-13704"
],
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-10-03T01:29:00Z",
"severity": "HIGH"
},
"details": "In dnsmasq before 2.78, if the DNS packet size does not match the expected size, the size parameter in a memset call gets a negative value. As it is an unsigned value, memset ends up writing up to 0xffffffff zero\u0027s (0xffffffffffffffff in 64 bit platforms), making dnsmasq crash.",
"id": "GHSA-mprq-hpvv-8wcc",
"modified": "2022-05-14T03:24:43Z",
"published": "2022-05-14T03:24:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-13704"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/vulnerabilities/3199382"
},
{
"type": "WEB",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4TK6DWC53WSU6633EVZL7H4PCWBYHMHK"
},
{
"type": "WEB",
"url": "https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html"
},
{
"type": "WEB",
"url": "https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11664.html"
},
{
"type": "WEB",
"url": "https://www.mail-archive.com/dnsmasq-discuss@lists.thekelleys.org.uk/msg11665.html"
},
{
"type": "WEB",
"url": "https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq"
},
{
"type": "WEB",
"url": "http://thekelleys.org.uk/dnsmasq/CHANGELOG"
},
{
"type": "WEB",
"url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=63437ffbb58837b214b4b92cb1c54bc5f3279928"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/101085"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/101977"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1039474"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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