CVE-2017-15650

See a problem?
Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2017-15650
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-15650.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2017-15650
Downstream
Published
2017-10-19T23:29:00Z
Modified
2025-10-13T07:03:30.418432Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dnsparsecallback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.

References

Affected packages

Git / git.musl-libc.org/git/musl

Affected ranges

Type
GIT
Repo
http://git.musl-libc.org/git/musl
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
45ca5d3fcb6f874bf5ba55d0e9651cef68515395

Affected versions

v0.*

v0.5.0
v0.5.9
v0.6.0
v0.7.0
v0.7.1
v0.7.10
v0.7.11
v0.7.12
v0.7.5
v0.7.6
v0.7.7
v0.7.8
v0.7.9
v0.8.0
v0.8.1
v0.8.10
v0.8.2
v0.8.3
v0.8.4
v0.8.5
v0.8.6
v0.8.7
v0.8.8
v0.8.9
v0.9.0
v0.9.1
v0.9.10
v0.9.11
v0.9.12
v0.9.13
v0.9.14
v0.9.15
v0.9.2
v0.9.3
v0.9.4
v0.9.5
v0.9.6
v0.9.7
v0.9.8
v0.9.9

v1.*

v1.0.0
v1.1.0
v1.1.1
v1.1.10
v1.1.11
v1.1.12
v1.1.13
v1.1.14
v1.1.15
v1.1.16
v1.1.2
v1.1.3
v1.1.4
v1.1.5
v1.1.6
v1.1.7
v1.1.8
v1.1.9

Database specific 

{
    "vanir_signatures": [
        {
            "deprecated": false,
            "id": "CVE-2017-15650-0c40b056",
            "signature_version": "v1",
            "digest": {
                "line_hashes": [
                    "19105209796768762262057181071667862774",
                    "337813073784692095994138226666901462849",
                    "55846828187015184318840200573767133364",
                    "76903974613516892053616754843570385638"
                ],
                "threshold": 0.9
            },
            "signature_type": "Line",
            "target": {
                "file": "src/network/lookup_name.c"
            },
            "source": "http://git.musl-libc.org/git/musl@45ca5d3fcb6f874bf5ba55d0e9651cef68515395"
        },
        {
            "deprecated": false,
            "id": "CVE-2017-15650-82c2c8f5",
            "signature_version": "v1",
            "digest": {
                "length": 789.0,
                "function_hash": "65063592785737742352495545225918919199"
            },
            "signature_type": "Function",
            "target": {
                "function": "dns_parse_callback",
                "file": "src/network/lookup_name.c"
            },
            "source": "http://git.musl-libc.org/git/musl@45ca5d3fcb6f874bf5ba55d0e9651cef68515395"
        }
    ]
}