CVE-2005-0022
Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary
02 Description
Buffer overflow in the spa_base64_to_bits function in Exim before 4.43, as originally obtained from Samba code, and as called by the auth_spa_client function, may allow attackers to execute arbitrary
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2005-01-06 05:00Z21 YR AGO
- Last updated
- 2024-08-07 20:57Z2 YR AGO
- Reserved
- 2005-01-04
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 37ea78d6a77be55d9730ae5cc1f748f23028d7dc12f0be1f38e218df33121222
05 Affected products
06 References
- oval.cisecurity.orgoval:org.mitre.oval:def:11293https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11293
- ftp6.us.freebsd.orghttp://ftp6.us.freebsd.org/pub/mail/exim/ChangeLogs/ChangeLog-4.44
- marc.info20050212 exim auth_spa_server() PoC exploithttp://marc.info/?l=bugtraq&m=110824870908614&w=2
- www.securityfocus.com12188http://www.securityfocus.com/bid/12188
- www.redhat.comRHSA-2005:025http://www.redhat.com/support/errata/RHSA-2005-025.html
- www.idefense.com20050107 Exim auth_spa_server() Buffer Overflow Vulnerabilityhttp://www.idefense.com/application/poi/display?id=178&type=vulnerabilities
- security.gentoo.orgGLSA-200501-23http://security.gentoo.org/glsa/glsa-200501-23.xml
- www.exim.org[exim] 20050104 2 smallish security issueshttp://www.exim.org/mail-archives/exim-users/Week-of-Mon-20050103/msg00028.html
07 Fixed in
Debian 12
- exim4 Fixed in 4.34-10
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- exim4 Fixed in 4.34-10
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- exim4 Fixed in 4.34-10
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.