CVE-2003-0693

Description

A "buffer management error" in buffer_append_space of buffer.c for OpenSSH before 3.7 may allow remote attackers to execute arbitrary code by causing an incorrect amount of memory to be freed and corrupting the heap, a different vulnerability than CVE-2003-0695.

10.0

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 17.46% Top 10%

Vendor Advisory sun.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory marc.info

Affected: n/a n/a

References

Link	Tags
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1000620.1-1	vendor advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010103.html	mailing list
http://marc.info/?l=bugtraq&m=106381409220492&w=2	mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/13191	vdb entry
http://www.debian.org/security/2003/dsa-383	vendor advisory
http://marc.info/?l=bugtraq&m=106374466212309&w=2	mailing list
http://www.openssh.com/txt/buffer.adv
http://www.redhat.com/support/errata/RHSA-2003-280.html	vendor advisory
http://www.cert.org/advisories/CA-2003-24.html	third party advisory us government resource
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010135.html	mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2719	vdb entry signature
http://marc.info/?l=bugtraq&m=106381396120332&w=2	vendor advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2003-September/010146.html	mailing list
http://www.debian.org/security/2003/dsa-382	vendor advisory
http://marc.info/?l=bugtraq&m=106373247528528&w=2	mailing list
http://www.mandriva.com/security/advisories?name=MDKSA-2003:090	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A447	vdb entry signature
http://marc.info/?l=bugtraq&m=106373546332230&w=2	vendor advisory
http://www.kb.cert.org/vuls/id/333628	us government resource third party advisory patch
http://www.openwall.com/lists/oss-security/2024/07/01/3	mailing list

Frequently Asked Questions

What is the severity of CVE-2003-0693?: CVE-2003-0693 has been scored as a critical severity vulnerability.
How to fix CVE-2003-0693?: To fix CVE-2003-0693, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2003-0693 being actively exploited in the wild?: It is possible that CVE-2003-0693 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.