CVE-2010-4345
Exim: Privilege Escalation
As of , CVE-2010-4345 in Exim is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 25 March 2022
- US federal deadline
- 15 April 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.18Higher than 97% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.02 on 25 March 2022EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module and 1 Exploit-DB entry (1 verified)
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Exim allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands.
CISA's description
Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of the exim user account to specify an alternate configuration file with a directive that contains arbitrary commands, as demonstrated by the spool_directory directive.
The CVE record's description, from redhat
- CVE published
- 14 December 2010
- Assigned by
- redhat
- CVSS
- 7.8 High (CVSS 3.1, from CISA-ADP)
- CWE-77
- Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-264
- Permissions, Privileges, and Access Controls
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 16925).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: Exim4 string_format Function Heap Buffer Overflowexploit module, rank excellent
- Exploit-DB: Exim4 < 4.69 - string_format Function Heap Buffer Overflow (Metasploit)EDB-ID 16925, verified by Exploit-DB, 16 December 2010
Exim: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2010-4344Heap-Based Buffer Overflow | Exim Exim | Patch this weekMetasploit module; EPSS 0.72; verified Exploit-DB entry | 0.72 | ||
| CVE-2018-6789Buffer Overflow | Exim Exim | Patch this weekRansomware use; EPSS 0.82 | 0.82 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org