CVE-2022-42898
- Source
- https://cve.org/CVERecord?id=CVE-2022-42898
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-42898.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-42898
- Downstream
- Related
- Published
- 2022-12-25T06:15:09.427Z
- Modified
- 2026-02-18T00:30:25.469412Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5pacparse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."
- References
-
- https://bugzilla.samba.org/show_bug.cgi?id=15203
- https://github.com/heimdal/heimdal/security/advisories/GHSA-64mq-fvfj-5x3c
- https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583
- https://security.gentoo.org/glsa/202309-06
- https://security.gentoo.org/glsa/202310-06
- https://security.netapp.com/advisory/ntap-20230216-0008/
- https://security.netapp.com/advisory/ntap-20230223-0001/
- https://web.mit.edu/kerberos/advisories/
- https://web.mit.edu/kerberos/krb5-1.19/
- https://web.mit.edu/kerberos/krb5-1.20/README-1.20.1.txt
- https://www.samba.org/samba/security/CVE-2022-42898.html
- https://bugzilla.samba.org/show_bug.cgi?id=15203
- https://bugzilla.samba.org/show_bug.cgi?id=15203
- https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583
- https://bugzilla.samba.org/show_bug.cgi?id=15203
Affected packages
Git / github.com/krb5/krb5
Affected ranges
- Type
- GIT
- Repo
- https://github.com/krb5/krb5
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Database specific
vanir_signatures
[
{
"target": {
"function": "main",
"file": "src/lib/krb5/krb/t_pac.c"
},
"source": "https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583",
"id": "CVE-2022-42898-190ec2e6",
"signature_version": "v1",
"digest": {
"function_hash": "313212553996591129015720005043578260600",
"length": 8101.0
},
"deprecated": false,
"signature_type": "Function"
},
{
"target": {
"file": "src/lib/krb5/krb/pac.c"
},
"source": "https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583",
"id": "CVE-2022-42898-1a970be7",
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"47415333018243679864646462913306600925",
"113522990652075189899911575550870172940",
"332636347402384035849490568060121070816",
"24974974711904770793287531419649756654",
"34036481326062071104848288339706052122",
"335906234459261617987938532306053980177",
"154732096699152609497200721234291993685",
"185833400480707633037073703290605393751",
"114563188656008062785041387091874740449",
"258667828208263873189321892773311252565",
"259921342012297268374246674019195512093"
]
},
"deprecated": false,
"signature_type": "Line"
},
{
"target": {
"file": "src/lib/krb5/krb/t_pac.c"
},
"source": "https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583",
"id": "CVE-2022-42898-705fc6fd",
"signature_version": "v1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"203158983188195784883759796692003894593",
"117811727424344157626574231154516038039",
"275952240584579959483060309342236230792",
"87998220430651193888088689122468582815",
"198618692815112439499828060074676714596",
"86990030903086973170313960916416642456"
]
},
"deprecated": false,
"signature_type": "Line"
},
{
"target": {
"function": "krb5_pac_parse",
"file": "src/lib/krb5/krb/pac.c"
},
"source": "https://github.com/krb5/krb5/commit/ea92d2f0fcceb54a70910fa32e9a0d7a5afc3583",
"id": "CVE-2022-42898-d3714872",
"signature_version": "v1",
"digest": {
"function_hash": "141063196662638433845114500023813850879",
"length": 1490.0
},
"deprecated": false,
"signature_type": "Function"
}
]
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-42898.json"