XZ backdoor story – Initial analysis

On March 29, 2024, a single message on the Openwall OSS-security mailing list marked an important discovery for the information security, open source and Linux communities: the discovery of a malicious backdoor in XZ. XZ is a compression utility integrated into many popular distributions of Linux...

curl: HTTP/2 PUSH_PROMISE DoS

Vulnerability description not provided...

curl: CVE-2024-2398: HTTP/2 push headers memory-leak

CVE-2024-2398 was a memory-leak vulnerability in the HTTP/2 push headers implementation of libcurl. For each incoming PUSHPROMISE header, a new string was allocated and stored in an array. When the number of headers exceeded a threshold, libcurl freed the array but forgot to free the individual...

valgrind bug fix and enhancement update

An update is available for valgrind. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 8.9...

segmentation fault in function f_fullcommand

Description segmentation fault in function ffullcommand at exdocmd.c:4101 Proof of Concept valgrind ./vim -u NONE -i NONE -n -m -X -Z -e -s -S ./pocseg -c :qa! ==14662== Memcheck, a memory error detector ==14662== Copyright C 2002-2017, and GNU GPL'd, by Julian Seward et al. ==14662== Using...

SUSE CVE-2008-4865

Untrusted search path vulnerability in valgrind before 3.4.0 allows local users to execute arbitrary programs via a Trojan horse .valgrindrc file in the current working directory, as demonstrated using a malicious --db-command options. NOTE: the severity of this issue has been disputed, but CVE i...

SUSE CVE-2013-1728

The IonMonkey JavaScript engine in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21, when Valgrind mode is used, does not properly initialize memory, which makes it easier for remote attackers to obtain sensitive information via unspecified vectors...

SUSE CVE-2020-2245

Jenkins Valgrind Plugin 0.28 and earlier does not configure its XML parser to prevent XML external entity XXE attacks...

SUSE CVE-2020-2246

Jenkins Valgrind Plugin 0.28 and earlier does not escape content in Valgrind XML reports, resulting in a stored cross-site scripting XSS vulnerability exploitable by attackers able to control Valgrind XML report contents...

valgrind bug fix and enhancement update

An update is available for valgrind. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 9.1...

valgrind bug fix and enhancement update

An update is available for valgrind. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 8.7...

curl: CVE-2022-43552: HTTP Proxy deny use-after-free

Issues reported by Trail of Bits. This is either one or two issues. Summary: ./src/curl 0 -x0:80 telnet:/j-uj-u//0 -m 01 ./src/curl 0 -x0:80 smb:/j-uj-u//0 -m 01 Both command line ends up having libcurl access and use already freed heap-memory. For read and write. Steps To Reproduce: See above, r...

curl: CVE-2022-42915: HTTP proxy double-free

This is a finding that Trail of Bits found in their ongoing curl security audit. Reported at a status meeting today. Summary: curl frees memory twice in some cleanup function related to HTTP proxies. It as simple as curl -x http://localhost:80 dict://127.0.0.1 Using valgrind on the current git...

Undefined behavior in diff_write_buffer()

Description Undefined behavior. commit hash: 99af91e5820c78a196c9272cd8ce5aa5be7bf374 It may occur heap-buffer-overflow. Proof of Concept Download POC file POC GDB gdb-peda$ r -u NONE -i NONE -n -m -X -Z -e -s -S undefinedpoc -c :qa! 0000089bd31 in diffwritebuffer buf=0x62500000f100, din= at...

Heap-based buffer overflow in function ins_compl_add

Description Heap-based buffer overflow in function inscompladd at insexpand.c:751 Version commit b8329db36a886355e6e9cb9986a3668fef78c438 HEAD - master, tag: v9.0.0044 Proof of Concept guest@elk:/trung$ valgrind ./vimlatest/src/vim -u NONE -i NONE -n -m -X -Z -e -s -S ./poc/poc42min -c :qa!...

Heap-based buffer overflow in function inc

Description Heap-based buffer overflow in function inc at misc2.c:344 Version commit 8eba2bd291b347e3008aa9e565652d51ad638cfa HEAD, tag: v8.2.5151 Proof of Concept guest@elk:/trung$ valgrind ./vimlatest/src/vim -u NONE -i NONE -n -m -X -Z -e -s -S ./poc/poc80min3 -c :qa! ==6151== Memcheck, a memo...

Out-of-bound read in function msg_outtrans_special

Description Out-of-bound read in function msgouttransspecial at message.c:1716 Version commit c101abff4c6756db4f5e740fde289decb9452efa HEAD - master, tag: v8.2.5164 Proof of Concept guest@elk:/trung$ valgrind ./vimlatest/src/vim -u NONE -i NONE -n -m -X -Z -e -s -S ./poc/poc4min2 -c :qa! ==23509=...

Null pointer dereference in function diff_check

Description Null pointer dereference in function diffcheck at diff.c:1923 Version commit 8eba2bd291b347e3008aa9e565652d51ad638cfa HEAD, tag: v8.2.5151 Proof of Concept guest@elk:/trung/vim2/src$ valgrind ./vim -u NONE -i NONE -n -m -X -Z -e -s -S /home/guest/trung/poc/poc22 -c :qa! ==4357==...

GHSA-9HCR-66CJ-R9HP Stored XSS vulnerability in Jenkins Valgrind Plugin

Jenkins Valgrind Plugin 0.28 and earlier does not escape content in Valgrind XML reports, resulting in a stored cross-site scripting XSS vulnerability exploitable by attackers able to control Valgrind XML report contents...

GHSA-XQ2Q-8HXC-7JR2 XXE vulnerability in Jenkins Valgrind Plugin

Valgrind Plugin 0.28 and earlier does not configure its XML parser to prevent XML external entity XXE attacks. This allows a user able to control the input files for the Valgrind plugin parser to have Jenkins parse a crafted file that uses external entities for extraction of secrets from the...