neon library digest authentication denial of service
| neon-digestauthentication-dos (44511) |  Medium Risk |
Description:
The neon library is vulnerable to a denial of service, caused by a NULL pointer exception error in the digest authentication mechanism. A remote attacker could exploit this vulnerability to cause the application to segfault, resulting in a denial of service.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Refer to the neon Web page for patch, upgrade or suggested workaround information. See References.
References:
- Debian Bug report logs - #476571: libneon27: segmentation fault with dav/https shares.
- neon Web page: neon HTTP and WebDAV client library.
- BID-30710: Neon Digest Authentication Null Pointer Exception Denial Of Service Vulnerability
- CVE-2008-3746: neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, Digest domain parameter support, and the parse_domain function.
- SA31508: neon "parse_domain()" Denial of Service Vulnerability
- SECTRACK ID: 1020725: neon NULL Pointer Dereference in parse_domain() Lets Remote Servers Deny Service
- SUSE-SR:2008:017: SUSE Security Summary Report
- USN-835-1: neon vulnerabilities
- VUPEN/ADV-2008-2420: neon parse_domain() Function Denial of Service Vulnerability
Platforms Affected:
- Canonical Ubuntu 6.06 LTS
- Canonical Ubuntu 8.04 LTS
- Canonical Ubuntu 8.10
- Joe Orton neon 0.28
- Joe Orton neon 0.28.1
- Joe Orton neon 0.28.2
Reported:
Apr 17, 2008
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.