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CVE-2004-0638· NVD / CVE Program· CNA mitre

Buffer overflow in the KSDWRTB function in the dbms_system package (dbms_system.ksdwrt) for Oracle 9i Database Server Release 2 9.2.0.3 and

Buffer overflow in the KSDWRTB function in the dbms_system package (dbms_system.ksdwrt) for Oracle 9i Database Server Release 2 9.2.0.3 and 9.2.0.4, 9i Release 1 9.0.1.4 and 9.0.1.5, and 8i Release 1 8.1.7.4, allows remote authorized users to execute arbitrary code via a long second argument.

HighCVSS 8.5 · v2.0—No exploit No fix recorded
Published
Dec 31, 2004
Updated
Jun 16, 2026
EPSS
6.6% · 94th percentile
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Action score

36

Monitor

Low priority for now.

CVSS
34 / 40 · 8.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.6%

Affected systems

VendorProduct
oracleoracle8i
oracleoracle9i

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • oracle oracle8ienterprise_8.1.7.4
  • oracle oracle8istandard_8.1.7.4
  • oracle oracle9ienterprise_9.0.1.4
  • oracle oracle9ienterprise_9.0.1.5
  • oracle oracle9ienterprise_9.2.0.3
  • oracle oracle9ienterprise_9.2.0.4
  • oracle oracle9ipersonal_9.0.1.4
  • oracle oracle9ipersonal_9.0.1.5
  • oracle oracle9ipersonal_9.2.0.3
  • oracle oracle9ipersonal_9.2.0.4
  • oracle oracle9istandard_9.0.1.4
  • oracle oracle9istandard_9.0.1.5
  • oracle oracle9istandard_9.2.0.3
  • oracle oracle9istandard_9.2.0.4

Same product

oracle: all records

Other highest-scoring records for the same primary product.

  • CVE-2001-0499Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges vi
    66This week
  • CVE-2003-0634Stack-based buffer overflow in the PL/SQL EXTPROC functionality for Oracle9i Database Release 2 and 1, and Oracle 8i, allows authenticated d
    32Monitor
  • CVE-2004-0637Oracle Database Server 8.1.7.4 through 9.2.0.4 allows local users to execute commands with additional privileges via the ctxsys.driload pack
    31Monitor
  • CVE-2002-0858catsnmp in Oracle 9i and 8i is installed with a dbsnmp user with a default dbsnmp password, which allows attackers to perform restricted dat
    31Monitor
  • CVE-2001-0126Oracle XSQL servlet 1.0.3.0 and earlier allows remote attackers to execute arbitrary Java code by redirecting the XSQL server to another sou
    31Monitor
  • CVE-2000-0206The installation of Oracle 8.1.5.x on Linux follows symlinks and creates the orainstRoot.sh file with world-writeable permissions, which all
    24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVSS vector

    AV:N/AC:M/Au:S/C:C/I:C/A:C

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records