rustsec-2018-0007
Vulnerability from osv_rustsec
Published
2018-10-09 12:00
Modified
2023-06-13 13:10
Summary
Stack overflow when parsing malicious DNS packet
Details
There's a stack overflow leading to a crash when Trust-DNS's parses a malicious DNS packet.
Affected versions of this crate did not properly handle parsing of DNS message compression (RFC1035 section 4.1.4). The parser could be tricked into infinite loop when a compression offset pointed back to the same domain name to be parsed.
This allows an attacker to craft a malicious DNS packet which when consumed with Trust-DNS could cause stack overflow and crash the affected software.
The flaw was corrected by trust-dns-proto 0.4.3 and upcoming 0.5.0 release.
{
"affected": [
{
"database_specific": {
"categories": [],
"cvss": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"informational": null
},
"ecosystem_specific": {
"affected_functions": null,
"affects": {
"arch": [],
"functions": [],
"os": []
}
},
"package": {
"ecosystem": "crates.io",
"name": "trust-dns-proto",
"purl": "pkg:cargo/trust-dns-proto"
},
"ranges": [
{
"events": [
{
"introduced": "0.0.0-0"
},
{
"fixed": "0.4.3"
}
],
"type": "SEMVER"
}
],
"versions": []
}
],
"aliases": [
"CVE-2018-20994",
"GHSA-369h-pjr2-6wrh"
],
"database_specific": {
"license": "CC0-1.0"
},
"details": "There\u0027s a stack overflow leading to a crash when Trust-DNS\u0027s parses a\nmalicious DNS packet.\n\nAffected versions of this crate did not properly handle parsing of DNS message\ncompression (RFC1035 section 4.1.4). The parser could be tricked into infinite\nloop when a compression offset pointed back to the same domain name to be\nparsed.\n\nThis allows an attacker to craft a malicious DNS packet which when consumed\nwith Trust-DNS could cause stack overflow and crash the affected software.\n\nThe flaw was corrected by trust-dns-proto 0.4.3 and upcoming 0.5.0 release.",
"id": "RUSTSEC-2018-0007",
"modified": "2023-06-13T13:10:24Z",
"published": "2018-10-09T12:00:00Z",
"references": [
{
"type": "PACKAGE",
"url": "https://crates.io/crates/trust-dns-proto"
},
{
"type": "ADVISORY",
"url": "https://rustsec.org/advisories/RUSTSEC-2018-0007.html"
}
],
"related": [],
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "Stack overflow when parsing malicious DNS packet"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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