CVE-2015-8629
krb5 - security update
5.3
MEDIUM
CVSS 3.1
EPSS 1.2%
Description
The xdr_nullstring function in lib/kadm5/kadm_rpc_xdr.c in kadmind in MIT Kerberos 5 (aka krb5) before 1.13.4 and 1.14.x before 1.14.1 does not verify whether '\0' characters exist as expected, which allows remote authenticated users to obtain sensitive information or cause a denial of service (out-of-bounds read) via a crafted string.
How to fix CVE-2015-8629
To remediate CVE-2015-8629, upgrade the affected package to a fixed version below.
- —upgrade to 1.14-r1 or later
- —upgrade to 1.13.2+dfsg-5 or later
- —upgrade to 1.8.3+dfsg-4squeeze11 or later
- —upgrade to 1.10.1+dfsg-5+deb7u7 or later
Is CVE-2015-8629 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.14-r1
- from 0, < 1.13.2+dfsg-5
- from 0, < 1.8.3+dfsg-4squeeze11
- from 0, < 1.10.1+dfsg-5+deb7u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |