CVE-2024-8508

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-8508
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-8508.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-8508
Related
Published
2024-10-03T17:15:15Z
Modified
2024-12-05T14:56:18.393437Z
Summary
[none]
Details

NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform name compression for. Malicious upstreams responses with very large RRsets can cause Unbound to spend a considerable time applying name compression to downstream replies. This can lead to degraded performance and eventually denial of service in well orchestrated attacks. The vulnerability can be exploited by a malicious actor querying Unbound for the specially crafted contents of a malicious zone with very large RRsets. Before Unbound replies to the query it will try to apply name compression which was an unbounded operation that could lock the CPU until the whole packet was complete. Unbound version 1.21.1 introduces a hard limit on the number of name compression calculations it is willing to do per packet. Packets that need more compression will result in semi-compressed packets or truncated packets, even on TCP for huge messages, to avoid locking the CPU for long. This change should not affect normal DNS traffic.

References

Affected packages

Alpine:v3.17 / unbound

Package

Name
unbound
Purl
pkg:apk/alpine/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.0-r1

Affected versions

1.*

1.4.10-r0
1.4.10-r1
1.4.10-r2
1.4.10-r3
1.4.13-r0
1.4.13-r1
1.4.13-r2
1.4.13-r3
1.4.14-r0
1.4.15-r0
1.4.16-r0
1.4.17-r0
1.4.18-r0
1.4.19-r0
1.4.19-r1
1.4.19-r2
1.4.20-r0
1.4.20-r1
1.4.20-r2
1.4.21-r0
1.4.21-r1
1.4.21-r2
1.4.22-r0
1.4.22-r1
1.5.1-r0
1.5.2-r0
1.5.2-r1
1.5.3-r0
1.5.4-r0
1.5.6-r0
1.5.6-r1
1.5.6-r2
1.5.6-r3
1.5.6-r4
1.5.7-r0
1.5.7-r1
1.5.8-r0
1.5.8-r1
1.5.9-r0
1.5.9-r1
1.5.10-r0
1.5.10-r1
1.5.10-r2
1.6.0-r0
1.6.0-r1
1.6.1-r0
1.6.1-r1
1.6.2-r0
1.6.3-r0
1.6.4-r0
1.6.5-r0
1.6.6-r0
1.6.7-r0
1.6.7-r1
1.6.7-r2
1.6.8-r0
1.7.0-r0
1.7.0-r1
1.7.0-r2
1.7.1-r0
1.7.3-r0
1.8.0-r0
1.8.1-r0
1.8.1-r1
1.8.3-r0
1.9.0-r0
1.9.1-r0
1.9.1-r1
1.9.1-r2
1.9.2-r0
1.9.2-r1
1.9.3-r0
1.9.4-r0
1.9.4-r1
1.9.5-r0
1.9.5-r1
1.9.5-r2
1.9.5-r3
1.9.6-r0
1.10.0-r0
1.10.1-r0
1.10.1-r1
1.11.0-r0
1.12.0-r0
1.13.0-r0
1.13.0-r1
1.13.0-r2
1.13.0-r3
1.13.1-r0
1.13.1-r1
1.13.1-r2
1.13.2-r0
1.13.2-r1
1.13.2-r2
1.14.0-r0
1.14.0-r1
1.15.0-r0
1.16.0-r0
1.16.0-r1
1.16.1-r0
1.16.2-r0
1.16.2-r1
1.16.3-r0
1.17.0-r0
1.17.1-r0
1.19.1-r0
1.19.2-r0
1.19.3-r0
1.20.0-r0

Alpine:v3.18 / unbound

Package

Name
unbound
Purl
pkg:apk/alpine/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.0-r1

Affected versions

1.*

1.4.10-r0
1.4.10-r1
1.4.10-r2
1.4.10-r3
1.4.13-r0
1.4.13-r1
1.4.13-r2
1.4.13-r3
1.4.14-r0
1.4.15-r0
1.4.16-r0
1.4.17-r0
1.4.18-r0
1.4.19-r0
1.4.19-r1
1.4.19-r2
1.4.20-r0
1.4.20-r1
1.4.20-r2
1.4.21-r0
1.4.21-r1
1.4.21-r2
1.4.22-r0
1.4.22-r1
1.5.1-r0
1.5.2-r0
1.5.2-r1
1.5.3-r0
1.5.4-r0
1.5.6-r0
1.5.6-r1
1.5.6-r2
1.5.6-r3
1.5.6-r4
1.5.7-r0
1.5.7-r1
1.5.8-r0
1.5.8-r1
1.5.9-r0
1.5.9-r1
1.5.10-r0
1.5.10-r1
1.5.10-r2
1.6.0-r0
1.6.0-r1
1.6.1-r0
1.6.1-r1
1.6.2-r0
1.6.3-r0
1.6.4-r0
1.6.5-r0
1.6.6-r0
1.6.7-r0
1.6.7-r1
1.6.7-r2
1.6.8-r0
1.7.0-r0
1.7.0-r1
1.7.0-r2
1.7.1-r0
1.7.3-r0
1.8.0-r0
1.8.1-r0
1.8.1-r1
1.8.3-r0
1.9.0-r0
1.9.1-r0
1.9.1-r1
1.9.1-r2
1.9.2-r0
1.9.2-r1
1.9.3-r0
1.9.4-r0
1.9.4-r1
1.9.5-r0
1.9.5-r1
1.9.5-r2
1.9.5-r3
1.9.6-r0
1.10.0-r0
1.10.1-r0
1.10.1-r1
1.11.0-r0
1.12.0-r0
1.13.0-r0
1.13.0-r1
1.13.0-r2
1.13.0-r3
1.13.1-r0
1.13.1-r1
1.13.1-r2
1.13.2-r0
1.13.2-r1
1.13.2-r2
1.14.0-r0
1.14.0-r1
1.15.0-r0
1.16.0-r0
1.16.0-r1
1.16.1-r0
1.16.2-r0
1.16.2-r1
1.16.3-r0
1.17.0-r0
1.17.0-r1
1.17.1-r0
1.17.1-r1
1.19.1-r0
1.19.2-r0
1.19.3-r0
1.20.0-r0

Alpine:v3.19 / unbound

Package

Name
unbound
Purl
pkg:apk/alpine/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.0-r1

Affected versions

1.*

1.4.10-r0
1.4.10-r1
1.4.10-r2
1.4.10-r3
1.4.13-r0
1.4.13-r1
1.4.13-r2
1.4.13-r3
1.4.14-r0
1.4.15-r0
1.4.16-r0
1.4.17-r0
1.4.18-r0
1.4.19-r0
1.4.19-r1
1.4.19-r2
1.4.20-r0
1.4.20-r1
1.4.20-r2
1.4.21-r0
1.4.21-r1
1.4.21-r2
1.4.22-r0
1.4.22-r1
1.5.1-r0
1.5.2-r0
1.5.2-r1
1.5.3-r0
1.5.4-r0
1.5.6-r0
1.5.6-r1
1.5.6-r2
1.5.6-r3
1.5.6-r4
1.5.7-r0
1.5.7-r1
1.5.8-r0
1.5.8-r1
1.5.9-r0
1.5.9-r1
1.5.10-r0
1.5.10-r1
1.5.10-r2
1.6.0-r0
1.6.0-r1
1.6.1-r0
1.6.1-r1
1.6.2-r0
1.6.3-r0
1.6.4-r0
1.6.5-r0
1.6.6-r0
1.6.7-r0
1.6.7-r1
1.6.7-r2
1.6.8-r0
1.7.0-r0
1.7.0-r1
1.7.0-r2
1.7.1-r0
1.7.3-r0
1.8.0-r0
1.8.1-r0
1.8.1-r1
1.8.3-r0
1.9.0-r0
1.9.1-r0
1.9.1-r1
1.9.1-r2
1.9.2-r0
1.9.2-r1
1.9.3-r0
1.9.4-r0
1.9.4-r1
1.9.5-r0
1.9.5-r1
1.9.5-r2
1.9.5-r3
1.9.6-r0
1.10.0-r0
1.10.1-r0
1.10.1-r1
1.11.0-r0
1.12.0-r0
1.13.0-r0
1.13.0-r1
1.13.0-r2
1.13.0-r3
1.13.1-r0
1.13.1-r1
1.13.1-r2
1.13.2-r0
1.13.2-r1
1.13.2-r2
1.14.0-r0
1.14.0-r1
1.15.0-r0
1.16.0-r0
1.16.0-r1
1.16.1-r0
1.16.2-r0
1.16.2-r1
1.16.3-r0
1.17.0-r0
1.17.0-r1
1.17.1-r0
1.17.1-r1
1.17.1-r2
1.17.1-r3
1.17.1-r4
1.18.0-r0
1.19.0-r0
1.19.1-r0
1.19.2-r0
1.19.3-r0
1.20.0-r0

Alpine:v3.20 / unbound

Package

Name
unbound
Purl
pkg:apk/alpine/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.20.0-r1

Affected versions

1.*

1.4.10-r0
1.4.10-r1
1.4.10-r2
1.4.10-r3
1.4.13-r0
1.4.13-r1
1.4.13-r2
1.4.13-r3
1.4.14-r0
1.4.15-r0
1.4.16-r0
1.4.17-r0
1.4.18-r0
1.4.19-r0
1.4.19-r1
1.4.19-r2
1.4.20-r0
1.4.20-r1
1.4.20-r2
1.4.21-r0
1.4.21-r1
1.4.21-r2
1.4.22-r0
1.4.22-r1
1.5.1-r0
1.5.2-r0
1.5.2-r1
1.5.3-r0
1.5.4-r0
1.5.6-r0
1.5.6-r1
1.5.6-r2
1.5.6-r3
1.5.6-r4
1.5.7-r0
1.5.7-r1
1.5.8-r0
1.5.8-r1
1.5.9-r0
1.5.9-r1
1.5.10-r0
1.5.10-r1
1.5.10-r2
1.6.0-r0
1.6.0-r1
1.6.1-r0
1.6.1-r1
1.6.2-r0
1.6.3-r0
1.6.4-r0
1.6.5-r0
1.6.6-r0
1.6.7-r0
1.6.7-r1
1.6.7-r2
1.6.8-r0
1.7.0-r0
1.7.0-r1
1.7.0-r2
1.7.1-r0
1.7.3-r0
1.8.0-r0
1.8.1-r0
1.8.1-r1
1.8.3-r0
1.9.0-r0
1.9.1-r0
1.9.1-r1
1.9.1-r2
1.9.2-r0
1.9.2-r1
1.9.3-r0
1.9.4-r0
1.9.4-r1
1.9.5-r0
1.9.5-r1
1.9.5-r2
1.9.5-r3
1.9.6-r0
1.10.0-r0
1.10.1-r0
1.10.1-r1
1.11.0-r0
1.12.0-r0
1.13.0-r0
1.13.0-r1
1.13.0-r2
1.13.0-r3
1.13.1-r0
1.13.1-r1
1.13.1-r2
1.13.2-r0
1.13.2-r1
1.13.2-r2
1.14.0-r0
1.14.0-r1
1.15.0-r0
1.16.0-r0
1.16.0-r1
1.16.1-r0
1.16.2-r0
1.16.2-r1
1.16.3-r0
1.17.0-r0
1.17.0-r1
1.17.1-r0
1.17.1-r1
1.17.1-r2
1.17.1-r3
1.17.1-r4
1.18.0-r0
1.19.0-r0
1.19.1-r0
1.19.2-r0
1.19.3-r0
1.19.3-r1
1.19.3-r2
1.20.0-r0

Alpine:v3.21 / unbound

Package

Name
unbound
Purl
pkg:apk/alpine/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.21.1-r0

Affected versions

1.*

1.4.10-r0
1.4.10-r1
1.4.10-r2
1.4.10-r3
1.4.13-r0
1.4.13-r1
1.4.13-r2
1.4.13-r3
1.4.14-r0
1.4.15-r0
1.4.16-r0
1.4.17-r0
1.4.18-r0
1.4.19-r0
1.4.19-r1
1.4.19-r2
1.4.20-r0
1.4.20-r1
1.4.20-r2
1.4.21-r0
1.4.21-r1
1.4.21-r2
1.4.22-r0
1.4.22-r1
1.5.1-r0
1.5.2-r0
1.5.2-r1
1.5.3-r0
1.5.4-r0
1.5.6-r0
1.5.6-r1
1.5.6-r2
1.5.6-r3
1.5.6-r4
1.5.7-r0
1.5.7-r1
1.5.8-r0
1.5.8-r1
1.5.9-r0
1.5.9-r1
1.5.10-r0
1.5.10-r1
1.5.10-r2
1.6.0-r0
1.6.0-r1
1.6.1-r0
1.6.1-r1
1.6.2-r0
1.6.3-r0
1.6.4-r0
1.6.5-r0
1.6.6-r0
1.6.7-r0
1.6.7-r1
1.6.7-r2
1.6.8-r0
1.7.0-r0
1.7.0-r1
1.7.0-r2
1.7.1-r0
1.7.3-r0
1.8.0-r0
1.8.1-r0
1.8.1-r1
1.8.3-r0
1.9.0-r0
1.9.1-r0
1.9.1-r1
1.9.1-r2
1.9.2-r0
1.9.2-r1
1.9.3-r0
1.9.4-r0
1.9.4-r1
1.9.5-r0
1.9.5-r1
1.9.5-r2
1.9.5-r3
1.9.6-r0
1.10.0-r0
1.10.1-r0
1.10.1-r1
1.11.0-r0
1.12.0-r0
1.13.0-r0
1.13.0-r1
1.13.0-r2
1.13.0-r3
1.13.1-r0
1.13.1-r1
1.13.1-r2
1.13.2-r0
1.13.2-r1
1.13.2-r2
1.14.0-r0
1.14.0-r1
1.15.0-r0
1.16.0-r0
1.16.0-r1
1.16.1-r0
1.16.2-r0
1.16.2-r1
1.16.3-r0
1.17.0-r0
1.17.0-r1
1.17.1-r0
1.17.1-r1
1.17.1-r2
1.17.1-r3
1.17.1-r4
1.18.0-r0
1.19.0-r0
1.19.1-r0
1.19.2-r0
1.19.3-r0
1.19.3-r1
1.19.3-r2
1.20.0-r0
1.20.0-r1
1.20.0-r2
1.21.0-r0

Debian:11 / unbound

Package

Name
unbound
Purl
pkg:deb/debian/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.13.1-1+deb11u4

Affected versions

1.*

1.13.1-1
1.13.1-1+deb11u1
1.13.1-1+deb11u2
1.13.1-1+deb11u3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / unbound

Package

Name
unbound
Purl
pkg:deb/debian/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.17.1-2
1.17.1-2+deb12u1
1.17.1-2+deb12u2
1.17.1-2+loong64
1.18.0-1
1.18.0-2
1.19.1-1
1.19.2-1
1.20.0-1
1.21.1-1
1.22.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / unbound

Package

Name
unbound
Purl
pkg:deb/debian/unbound?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.21.1-1

Affected versions

1.*

1.17.1-2
1.17.1-2+loong64
1.18.0-1
1.18.0-2
1.19.1-1
1.19.2-1
1.20.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}