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UbuntuUSN-1308-1HistoryDec 14, 2011 - 12:00 a.m.
bzip2 vulnerability
2011-12-1400:00:00
ubuntu.com
33
CVSS2
4.6
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
AI Score
6.6
Confidence
Low
EPSS
0
Percentile
13.1%
Releases
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04
- Ubuntu 8.04
Packages
- bzip2 - high-quality block-sorting file compressor - utilities
Details
vladz discovered that executables compressed by bzexe insecurely create
temporary files when they are ran. A local attacker could exploit this issue to
execute arbitrary code as the user running a compressed executable.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 8.04 | noarch | bzip2 | < 1.0.4-2ubuntu4.2 | UNKNOWN |
| Ubuntu | 8.04 | noarch | lib32bz2-1.0 | < 1.0.4-2ubuntu4.2 | UNKNOWN |
| Ubuntu | 8.04 | noarch | lib32bz2-dev | < 1.0.4-2ubuntu4.2 | UNKNOWN |
| Ubuntu | 8.04 | noarch | libbz2-1.0 | < 1.0.4-2ubuntu4.2 | UNKNOWN |
| Ubuntu | 8.04 | noarch | libbz2-dev | < 1.0.4-2ubuntu4.2 | UNKNOWN |
| Ubuntu | 11.10 | noarch | bzip2 | < 1.0.5-6ubuntu1.11.10.1 | UNKNOWN |
| Ubuntu | 11.10 | noarch | lib32bz2-1.0 | < 1.0.5-6ubuntu1.11.10.1 | UNKNOWN |
| Ubuntu | 11.10 | noarch | lib32bz2-dev | < 1.0.5-6ubuntu1.11.10.1 | UNKNOWN |
| Ubuntu | 11.10 | noarch | libbz2-1.0 | < 1.0.5-6ubuntu1.11.10.1 | UNKNOWN |
| Ubuntu | 11.10 | noarch | libbz2-dev | < 1.0.5-6ubuntu1.11.10.1 | UNKNOWN |
References
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CVSS2
4.6
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
AI Score
6.6
Confidence
Low
EPSS
0
Percentile
13.1%
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