CVE-2003-0972: Buffer Overflow
First published: Tue Dec 02 2003(Updated: )
Integer signedness error in ansi.c for GNU screen 4.0.1 and earlier, and 3.9.15 and earlier, allows local users to execute arbitrary code via a large number of ";" (semicolon) characters in escape sequences, which leads to a buffer overflow.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU Screen | =3.9.4 | |
| GNU Screen | =3.9.8 | |
| GNU Screen | =3.9.9 | |
| GNU Screen | =3.9.10 | |
| GNU Screen | =3.9.11 | |
| GNU Screen | =3.9.13 | |
| GNU Screen | =3.9.15 | |
| GNU Screen | =4.0.1 |
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Reference Links
- http://www.debian.org/security/2004/dsa-408
- http://groups.yahoo.com/group/gnu-screen/message/3118
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000809
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:113
- http://secunia.com/advisories/10539
- http://marc.info/?l=bugtraq&m=106995837813873&w=2
Frequently Asked Questions
What is the severity of CVE-2003-0972?
CVE-2003-0972 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2003-0972?
To fix CVE-2003-0972, upgrade GNU screen to version 4.0.2 or later.
What versions of GNU screen are affected by CVE-2003-0972?
The affected versions of GNU screen include 4.0.1 and all versions earlier than 4.0.2, as well as 3.9.15 and earlier.
Who can exploit the CVE-2003-0972 vulnerability?
CVE-2003-0972 can be exploited by local users due to the nature of the buffer overflow vulnerability.
What are the potential consequences of exploiting CVE-2003-0972?
Exploiting CVE-2003-0972 can lead to arbitrary code execution, potentially compromising the affected system.
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- version/gnu screen/3.9.4
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- version/gnu screen/3.9.9
- version/gnu screen/3.9.10
- version/gnu screen/3.9.11
- version/gnu screen/3.9.13
- version/gnu screen/3.9.15
- version/gnu screen/4.0.1