neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0'…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-326.
Summary
neon before 0.28.6, when OpenSSL or GnuTLS is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webdav:neon:*:*:*:*:*:*:*:* | before 0.28.6 | Vulnerable | Webdav |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.6.5 | Vulnerable | Apple |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* | 9.04 | Vulnerable | Canonical |
| cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* | 10 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:* | 11 | Vulnerable | Fedoraproject |
- cpe:2.3:a:webdav:neon:*:*:*:*:*:*:*:* Versions before 0.28.6 Vulnerable ·Webdav
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.6.5 Vulnerable ·Apple
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
- cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·Fedoraproject
Remediation
Red Hat 1 advisory
- RHSA-2009:1452 Released 2009-09-21 · Red Hat rating Moderateneon security update
- Red Hat Enterprise Linux (v. 5 server) neon-0.25.5-10.el5_4.1, neon-0.25.5-10.el5_4.1.i386, neon-0.25.5-10.el5_4.1.ia64 +5
- Red Hat Enterprise Linux AS version 4 neon-0.24.7-4.el4_8.2, neon-0.24.7-4.el4_8.2.i386, neon-0.24.7-4.el4_8.2.ia64 +5
- Red Hat Enterprise Linux Desktop (v. 5 client) neon-0.25.5-10.el5_4.1, neon-0.25.5-10.el5_4.1.i386
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) neon-0.25.5-10.el5_4.1, neon-devel-0.25.5-10.el5_4.1, neon-devel-0.25.5-10.el5_4.1.i386
- Red Hat Enterprise Linux Desktop version 4 neon-0.24.7-4.el4_8.2, neon-0.24.7-4.el4_8.2.i386, neon-devel-0.24.7-4.el4_8.2 +1
- Red Hat Enterprise Linux ES version 4 neon-0.24.7-4.el4_8.2, neon-0.24.7-4.el4_8.2.i386, neon-0.24.7-4.el4_8.2.ia64 +3
- Red Hat Enterprise Linux WS version 4 neon-0.24.7-4.el4_8.2, neon-0.24.7-4.el4_8.2.i386, neon-0.24.7-4.el4_8.2.ia64 +3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2009:1452 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2009:1452 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2474
- 2026-10-03 Alias added: GHSA-x9rv-vww8-vmj9
References
Sources
- CVE-2009-2474 · CVE Program
- CVE-2009-2474 · NVD
- FIRST EPSS
- GHSA-x9rv-vww8-vmj9 · GitHub Advisory Database · CC BY 4.0
- CVE-2009-2474 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences