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ubuntucveUbuntu.comUB:CVE-2013-2028
HistoryJul 20, 2013 - 12:00 a.m.

CVE-2013-2028

2013-07-2000:00:00
ubuntu.com
ubuntu.com
42

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.152

Percentile

95.9%

The ngx_http_parse_chunked function in http/ngx_http_parse.c in nginx 1.3.9
through 1.4.0 allows remote attackers to cause a denial of service (crash)
and execute arbitrary code via a chunked Transfer-Encoding request with a
large chunk size, which triggers an integer signedness error and a
stack-based buffer overflow.

Notes

Author Note
mdeslaur upstream says β€œThe problem affects nginx 1.3.9 - 1.4.0.” code doesn’t seem present in version 1.2.x in the archive

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.152

Percentile

95.9%