Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a denial of service (process crash) and possibly execute arbitrary code via a negative Content-Length HTTP header field, which causes a large amount of data to be copied.

Threat-Mapped Scoring

Score: 1.9

Priority: P3 - Important (Medium)

• S9 – Sabotage of System/App
• S10 – Denial of Service (+0.1 bonus)

EPSS

Score: 0.21037
Percentile: 0.95375

CVSS Scoring

Affected Products

• cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.29:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.31:*:*:*:*:*:*:*
• cpe:2.3:a:hp:virtualvault:11.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:hp:webproxy:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:hp:webproxy:2.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm:http_server:1.3.26:*:*:*:*:*:*:*
• cpe:2.3:a:ibm:http_server:1.3.26.1:*:*:*:*:*:*:*
• cpe:2.3:a:ibm:http_server:1.3.26.2:*:*:*:*:*:*:*
• cpe:2.3:a:ibm:http_server:1.3.28:*:*:*:*:*:*:*
• cpe:2.3:a:sgi:propack:2.4:*:*:*:*:*:*:*
• cpe:2.3:o:hp:vvos:11.04:*:*:*:*:*:*:*
• cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*
• cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:*
• cpe:2.3:o:openbsd:openbsd:3.5:*:*:*:*:*:*:*

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