CVE-2003-0543
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
02 Description
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 27.36% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 97.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2003-10-01 04:00Z23 YR AGO
- Last updated
- 2024-08-08 01:58Z2 YR AGO
- Reserved
- 2003-07-14
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- d5133d5274376812eb64e7633584125b754c076a767b07594c58490060bbf98a
05 Affected products
06 References
- oval.cisecurity.orgoval:org.mitre.oval:def:5292https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292
- www.redhat.comRHSA-2003:292http://www.redhat.com/support/errata/RHSA-2003-292.html
- www.kb.cert.orgVU#255484http://www.kb.cert.org/vuls/id/255484
- www.vupen.comADV-2006-3900http://www.vupen.com/english/advisories/2006/3900
- www.debian.orgDSA-393http://www.debian.org/security/2003/dsa-393
- www-1.ibm.comhttp://www-1.ibm.com/support/docview.wss?uid=swg21247112
- www.uniras.gov.ukhttp://www.uniras.gov.uk/vuls/2003/006489/openssl.htm
- www.debian.orgDSA-394http://www.debian.org/security/2003/dsa-394
- www.redhat.comRHSA-2003:291http://www.redhat.com/support/errata/RHSA-2003-291.html
- www.cert.orgCA-2003-26http://www.cert.org/advisories/CA-2003-26.html
- secunia.com22249http://secunia.com/advisories/22249
- oval.cisecurity.orgoval:org.mitre.oval:def:4254https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254
- www.securityfocus.com8732http://www.securityfocus.com/bid/8732
- sunsolve.sun.com201029http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1
- bugzilla.redhat.comhttp://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893
- www.linuxsecurity.comESA-20030930-027http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html
07 Fixed in
Debian 12
- openssl Fixed in 0.9.7c
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 0.9.7c
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 0.9.7c
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.