SB2023081624 - SUSE update for krb5
Published: August 16, 2023
Security Bulletin ID
SB2023081624
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Access of Uninitialized Pointer (CVE-ID: CVE-2023-36054)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to the _xdr_kadm5_principal_ent_rec() function in lib/kadm5/kadm_rpc_xdr.c does not validate the relationship between n_key_data and the key_data array count and frees an uninitialized pointer. A remote user can send a specially crafted request to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.