CVE-2009-0023 describes a heap-based buffer underflow vulnerability in the apr_strmatch_precompile function within Apache APR-util versions prior to 1.3.5. This flaw can be triggered by remote attackers through crafted input, such as a malicious .htaccess file or specific configurations in mod_dav_svn or mod_apreq2, leading to a denial of service (daemon crash) in affected Apache HTTP Server installations or applications using libapreq2. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact, with no confidentiality or integrity impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.4CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:* | ||
0.9.1CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:0.9.1:*:*:*:*:*:*:* | ||
0.9.2CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:0.9.2:*:*:*:*:*:*:* | ||
0.9.3CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:0.9.3:*:*:*:*:*:*:* | ||
0.9.4CPE matchmatch criteria | cpe:2.3:a:apache:apr-util:0.9.4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.