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Vulnerability record · CVE-2015-7763 · published 6 November 2015

CVE-2015-7763: Openafs information exposure vulnerability

OOpenafs · Openafs

rx/rx.c in OpenAFS 1.5.75 through 1.5.78, 1.6.x before 1.6.15, and 1.7.x before 1.7.33 does not properly initialize padding at the end of an Rx acknowledgement (ACK) packet, which allows remote attackers to obtain sensitive information by (1) conducting a replay attack or (2) sniffing the network.

5.0 CVSS 2.0 Medium EPSS 2.1% · top 18.7% CWE-200 · Information exposure
5.0CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

rx/rx.c in OpenAFS 1.5.75 through 1.5.78, 1.6.x before 1.6.15, and 1.7.x before 1.7.33 does not properly initialize padding at the end of an Rx acknowledgement (ACK) packet, which allows remote attackers to obtain sensitive information by (1) conducting a replay attack or (2) sniffing the network.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2015/dsa-3387
http://www.securitytracker.com/id/1034039
https://lists.openafs.org/pipermail/openafs-announce/2015/000493.html Vendor Advisory
https://www.openafs.org/dl/openafs/1.6.15/RELNOTES-1.6.15 Vendor Advisory
https://www.openafs.org/pages/security/OPENAFS-SA-2015-007.txt Vendor Advisory
http://www.debian.org/security/2015/dsa-3387
http://www.securitytracker.com/id/1034039
https://lists.openafs.org/pipermail/openafs-announce/2015/000493.html Vendor Advisory
https://www.openafs.org/dl/openafs/1.6.15/RELNOTES-1.6.15 Vendor Advisory
https://www.openafs.org/pages/security/OPENAFS-SA-2015-007.txt Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-1251Unix memory buffer overflow vulnerabilityHeap-based buffer overflow in the cache manager in the client in OpenAFS 1.0 through 1.4.8 and 1.5.0 through 1.5.58 on Unix platforms allows remote a…EPSS 6.4%9.8CVE-2018-16947Openafs improper authentication vulnerabilityAn issue was discovered in OpenAFS before 1.6.23 and 1.8.x before 1.8.2. The backup tape controller (butc) process accepts incoming RPCs but does not…EPSS 2.6%8.4CVE-2024-10394Openafs vulnerabilityA local user can bypass the OpenAFS PAG (Process Authentication Group) throttling mechanism in Unix clients, allowing the user to create a PAG using …EPSS 0.20%7.8CVE-2015-8312Openafs vulnerabilityOff-by-one error in afs_pioctl.c in OpenAFS before 1.6.16 might allow local users to cause a denial of service (memory overwrite and system crash) vi…EPSS 0.36%7.8CVE-2009-1250Ibm afs vulnerabilityThe cache manager in the client in OpenAFS 1.0 through 1.4.8 and 1.5.0 through 1.5.58, and IBM AFS 3.6 before Patch 19, on Linux allows remote attack…EPSS 4.0%7.7CVE-2024-10397Openafs out-of-bounds write vulnerabilityA malicious server can crash the OpenAFS cache manager and other client utilities, and possibly execute arbitrary code.EPSS 0.40%7.5CVE-2019-18601Openafs deserialization of untrusted data vulnerabilityOpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to denial of service from unserialized data access because remote attackers can make a series o…EPSS 1.4%7.5CVE-2019-18602Openafs use of uninitialized resource vulnerabilityOpenAFS before 1.6.24 and 1.8.x before 1.8.5 is prone to an information disclosure vulnerability because uninitialized scalars are sent over the netw…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2015-7763), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.