SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-1008

Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote attackers to execute arbitrary code via a SSH2_MSG_DEBUG packet with a modified stringlen parameter, which leads to a buffer overflow.

HIGH 10.0EPSS 7.36%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Integer signedness error in the ssh2_rdpkt function in PuTTY before 0.56 allows remote attackers to execute arbitrary code via a SSH2_MSG_DEBUG packet with a modified stringlen parameter, which leads to a buffer overflow.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
7.36% probability · 94th percentile
CISA KEV
Not listed
Affected
putty/putty · tortoisecvs/tortoisecvs
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.