Home/CVE/The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memor
CVE

CVE-2004-0493

The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memor

The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.

MEDIUM · CVSS 6.4 EPSS 0.90462
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules8 YARA rules0
▤

Affected Products & Versions

8
avaya converged communications serverall versions
gentoo linuxall versions
trustix secure linuxall versions
apache http serverall versions
ibm http serverall versions
avaya s8300all versions
avaya s8500all versions
avaya s8700all versions
⚠

Public Exploits & PoCs

3
dosApache - Arbitrary Long HTTP Headers Denial of Serviceverified
dosApache - Arbitrary Long HTTP Headers (Denial of Service)verified
pocwww.securityfocus.com · 10619www.securityfocus.com
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalLinux Reverse Shell Indicator
producthighCommunication To LocaltoNet Tunneling Service Initiated - Linux
producthighPotentially Suspicious Malware Callback Communication - Linux
producthighLinux Crypto Mining Pool Connections
producthighCommunication To Ngrok Tunneling Service - Linux
producthighLinux Crypto Mining Indicators
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Published to NVD06 Aug 2004 · 04:00 AM
⚑

Vendor Advisories

1
rhsaRHSA-2004:342Important
🔗

References & Sources

23
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.grok.org.uk/pipermail/full-disclosure/2004-June/023133.html
http://marc.info/?l=bugtraq&m=108853066800184&w=2
http://marc.info/?l=bugtraq&m=109181600614477&w=2
http://security.gentoo.org/glsa/glsa-200407-03.xml
http://www.apacheweek.com/features/security-20
http://www.guninski.com/httpd1.html
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