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VuXML IDDescription
094e4a5b-6511-11ed-8c5e-206a8a720317krb5 -- Integer overflow vulnerabilities in PAC parsing

MITKRB5-SA-2022-001 Vulnerabilities in PAC parsing:

Due to an integer overflow vulnerabilities in PAC parsing An authenticated attacker may be able to cause a KDC or kadmind process to crash by reading beyond the bounds of allocated memory, creating a denial of service.

On 32-bit platforms an authenticated attacker may be able to cause heap corruption resulting in an RCE.


Discovery 2022-11-05
Entry 2022-11-15
krb5
< 1.19.3_1

gt 1.20 lt 1.20_1

krb5-120
< 1.20_1

krb5-119
< 1.19.3_1

krb5-devel
< 1.20.2022.11.03

CVE-2022-42898
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42898
3f3837cc-48fb-4414-aa46-5b1c23c9feaekrb5 -- Multiple vulnerabilities

MIT reports:

CVE-2017-11368:

In MIT krb5 1.7 and later, an authenticated attacker can cause an assertion failure in krb5kdc by sending an invalid S4U2Self or S4U2Proxy request.

CVE-2017-11462:

RFC 2744 permits a GSS-API implementation to delete an existing security context on a second or subsequent call to gss_init_sec_context() or gss_accept_sec_context() if the call results in an error. This API behavior has been found to be dangerous, leading to the possibility of memory errors in some callers. For safety, GSS-API implementations should instead preserve existing security contexts on error until the caller deletes them.

All versions of MIT krb5 prior to this change may delete acceptor contexts on error. Versions 1.13.4 through 1.13.7, 1.14.1 through 1.14.5, and 1.15 through 1.15.1 may also delete initiator contexts on error.


Discovery 2017-07-14
Entry 2017-10-18
krb5
< 1.14.6

ge 1.15 lt 1.15.2

krb5-devel
< 1.14.6

ge 1.15 lt 1.15.2

krb5-115
< 1.15.2

krb5-114
< 1.14.6

krb5-113
< 1.14.6

https://nvd.nist.gov/vuln/detail/CVE-2017-11368
https://krbdev.mit.edu/rt/Ticket/Display.html?id=8599
https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970
https://nvd.nist.gov/vuln/detail/CVE-2017-11462
https://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
CVE-2017-11368
CVE-2017-11462