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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 krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has "a similar bug."

🗓️ 06 Jan 2023 08:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

KRB5 PAC parsing overflow in krb5_pac_parse may allow remote code execution on thirty two bit and denial of service on other platforms.

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Rows per page
Vulners
Node
microsoftazl3_samba_4.18.3-1Range<4.18.3-1
OR
microsoftcbl2_samba_4.12.5-6Range<4.12.5-6
OR
microsoftcbl2_krb5_1.19.4-1Range<1.19.4-1
OR
microsoftcm1_heimdal_7.7.1-1Range<7.7.1-1
OR
microsoftcm1_krb5_1.18.4-3Range<1.18.4-3

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15 Oct 2024 07:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.18.8
EPSS0.10832
SSVC
kerberospac parsinginteger overflowremote code executiondenial of servicekadmindheimdal bug
2