CVE-2006-4573
First published: Tue Oct 24 2006(Updated: )
Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or hang) via certain UTF8 sequences.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Screen | <=4.0.2 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://lists.gnu.org/archive/html/screen-users/2006-10/msg00028.html
- http://www.securityfocus.com/bid/20727
- http://secunia.com/advisories/22583
- https://issues.rpath.com/browse/RPL-734
- http://www.debian.org/security/2006/dsa-1202
- http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.026-screen.html
- http://secunia.com/advisories/22573
- http://secunia.com/advisories/22611
- http://security.gentoo.org/glsa/glsa-200611-01.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.480775
- http://www.ubuntu.com/usn/usn-370-1
- http://secunia.com/advisories/22647
- http://secunia.com/advisories/22649
- http://secunia.com/advisories/22707
- http://secunia.com/advisories/22726
- http://docs.info.apple.com/article.html?artnum=305530
- http://lists.apple.com/archives/security-announce/2007/May/msg00004.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:191
- http://secunia.com/advisories/25402
- http://www.vupen.com/english/advisories/2006/4189
- http://www.vupen.com/english/advisories/2007/1939
Frequently Asked Questions
What is the severity of CVE-2006-4573?
CVE-2006-4573 is considered a moderate severity vulnerability due to potential denial of service issues.
How do I fix CVE-2006-4573?
To fix CVE-2006-4573, upgrade GNU screen to version 4.0.3 or later.
What types of attacks are possible with CVE-2006-4573?
CVE-2006-4573 can allow user-assisted attackers to cause a crash or hang by exploiting certain UTF8 sequences.
Which versions of GNU screen are affected by CVE-2006-4573?
GNU screen versions prior to 4.0.3 are affected by CVE-2006-4573.
What is the main issue caused by CVE-2006-4573?
The main issue caused by CVE-2006-4573 is the improper handling of UTF8 combining characters leading to possible denial of service.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/last-modified-date
- agent/remedy
- agent/author
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/gnu
- canonical/gnu screen
- version/gnu screen/4.0.2