CVE-2020-14315
published 2020-09-16CVE-2020-14315: A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external…
PriorityP351critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.55%
83.4th percentile
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| daemonology | bsdiff | — | — |
| daemonology | bsdiff | — | — |
| daemonology | bsdiff | >= 0 < 4.3-22 | 4.3-22 |
| daemonology | bsdiff | >= 0 < 4.3-22 | 4.3-22 |
| daemonology | bsdiff | >= 0 < 4.3-22 | 4.3-22 |
| daemonology | bsdiff | >= 0 < 4.3-22 | 4.3-22 |
| debian | bsdiff | < bsdiff 4.3-22 (bookworm) | bsdiff 4.3-22 (bookworm) |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
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GHSA
GHSA-g2hg-j8m2-ppxr: A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4
ghsa_unreviewed·2022-05-24
CVE-2020-14315 [CRITICAL] CWE-787 GHSA-g2hg-j8m2-ppxr: A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
OSV
CVE-2020-14315: A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4
osv·2020-09-16·CVSS 9.8
CVE-2020-14315 [CRITICAL] CVE-2020-14315: A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
Debian
CVE-2020-14315: bsdiff - A memory corruption vulnerability is present in bspatch as shipped in Colin Perc...
vendor_debian·2020·CVSS 9.8
CVE-2020-14315 [CRITICAL] CVE-2020-14315: bsdiff - A memory corruption vulnerability is present in bspatch as shipped in Colin Perc...
A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.
Scope: local
bookworm: resolved (fixed in 4.3-22)
bullseye: resolved (fixed in 4.3-22)
forky: resolved (fixed in 4.3-22)
sid: resolved (fixed in 4.3-22)
trixie: resolved (fixed in 4.3-22)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [fedora-all]
bugzilla·2020-07-14·CVSS 9.8
CVE-2020-14315 [CRITICAL] CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [fedora-all]
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mult
Bugzilla
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [epel-6]
bugzilla·2020-07-14·CVSS 9.8
CVE-2020-14315 [CRITICAL] CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [epel-6]
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks [epel-6]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-6.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following templa
Bugzilla
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks
bugzilla·2020-07-14·CVSS 9.8
CVE-2020-14315 [CRITICAL] CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks
CVE-2020-14315 bsdiff: handling external inputs allows attacker to bypass sanity checks
A memory corruption vulnerability is present in bspatch as shipped in
Colin Percival’s bsdiff tools version 4.3. Insufficient checks when
handling external inputs allows an attacker to bypass the sanity
checks in place and write out of a dynamically allocated buffer
boundaries.
References:
https://www.openwall.com/lists/oss-security/2020/07/09/2
Discussion:
Created bsdiff tracking bugs for this issue:
Affects: epel-6 [bug 1856749]
Affects: fedora-all [bug 1856748]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
https://bugzilla.redhat.com/show_bug.cgi?id=1856747https://www.openwall.com/lists/oss-security/2020/07/09/2https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/https://bugzilla.redhat.com/show_bug.cgi?id=1856747https://www.openwall.com/lists/oss-security/2020/07/09/2https://www.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/
2020-09-16
Published